gofmt: apply gofmt -w src misc

Remove trailing whitespace in comments.
No other changes.

R=r
CC=golang-dev
https://golang.org/cl/6815053
diff --git a/src/pkg/syscall/exec_plan9.go b/src/pkg/syscall/exec_plan9.go
index 45da990..1425e10 100644
--- a/src/pkg/syscall/exec_plan9.go
+++ b/src/pkg/syscall/exec_plan9.go
@@ -461,7 +461,7 @@
 		}
 	}
 
-	// Allocate child status pipe close on exec.	
+	// Allocate child status pipe close on exec.
 	e = cexecPipe(p[:])
 
 	if e != nil {
diff --git a/src/pkg/syscall/syscall_plan9.go b/src/pkg/syscall/syscall_plan9.go
index 4379731..94bed09 100644
--- a/src/pkg/syscall/syscall_plan9.go
+++ b/src/pkg/syscall/syscall_plan9.go
@@ -313,7 +313,7 @@
 }
 
 func Gettimeofday(tv *Timeval) (err error) {
-	// TODO(paulzhol): 
+	// TODO(paulzhol):
 	// avoid reopening a file descriptor for /dev/bintime on each call,
 	// use lower-level calls to avoid allocation.
 
diff --git a/src/pkg/syscall/types_linux.go b/src/pkg/syscall/types_linux.go
index 0030960..89e043f 100644
--- a/src/pkg/syscall/types_linux.go
+++ b/src/pkg/syscall/types_linux.go
@@ -73,7 +73,7 @@
 	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
 };
 
-// copied from /usr/include/linux/un.h 
+// copied from /usr/include/linux/un.h
 struct my_sockaddr_un {
 	sa_family_t sun_family;
 #ifdef __ARM_EABI__
diff --git a/src/pkg/syscall/zsysnum_freebsd_386.go b/src/pkg/syscall/zsysnum_freebsd_386.go
index e986aba..5a2bfd1 100644
--- a/src/pkg/syscall/zsysnum_freebsd_386.go
+++ b/src/pkg/syscall/zsysnum_freebsd_386.go
@@ -1,4 +1,4 @@
-// mksysnum_freebsd.pl 
+// mksysnum_freebsd.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 package syscall
diff --git a/src/pkg/syscall/zsysnum_freebsd_amd64.go b/src/pkg/syscall/zsysnum_freebsd_amd64.go
index e986aba..5a2bfd1 100644
--- a/src/pkg/syscall/zsysnum_freebsd_amd64.go
+++ b/src/pkg/syscall/zsysnum_freebsd_amd64.go
@@ -1,4 +1,4 @@
-// mksysnum_freebsd.pl 
+// mksysnum_freebsd.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 package syscall
diff --git a/src/pkg/syscall/zsysnum_freebsd_arm.go b/src/pkg/syscall/zsysnum_freebsd_arm.go
index e986aba..5a2bfd1 100644
--- a/src/pkg/syscall/zsysnum_freebsd_arm.go
+++ b/src/pkg/syscall/zsysnum_freebsd_arm.go
@@ -1,4 +1,4 @@
-// mksysnum_freebsd.pl 
+// mksysnum_freebsd.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 package syscall
diff --git a/src/pkg/syscall/zsysnum_linux_arm.go b/src/pkg/syscall/zsysnum_linux_arm.go
index 7f5d949..7068e4e 100644
--- a/src/pkg/syscall/zsysnum_linux_arm.go
+++ b/src/pkg/syscall/zsysnum_linux_arm.go
@@ -1,4 +1,4 @@
-// mksysnum_linux.pl 
+// mksysnum_linux.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 package syscall
diff --git a/src/pkg/syscall/zsysnum_netbsd_386.go b/src/pkg/syscall/zsysnum_netbsd_386.go
index a9bff65..c570965 100644
--- a/src/pkg/syscall/zsysnum_netbsd_386.go
+++ b/src/pkg/syscall/zsysnum_netbsd_386.go
@@ -1,4 +1,4 @@
-// mksysnum_netbsd.pl 
+// mksysnum_netbsd.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 package syscall
diff --git a/src/pkg/syscall/zsysnum_netbsd_amd64.go b/src/pkg/syscall/zsysnum_netbsd_amd64.go
index a9bff65..c570965 100644
--- a/src/pkg/syscall/zsysnum_netbsd_amd64.go
+++ b/src/pkg/syscall/zsysnum_netbsd_amd64.go
@@ -1,4 +1,4 @@
-// mksysnum_netbsd.pl 
+// mksysnum_netbsd.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 package syscall
diff --git a/src/pkg/syscall/zsysnum_openbsd_386.go b/src/pkg/syscall/zsysnum_openbsd_386.go
index 1d97fe0..927b137 100644
--- a/src/pkg/syscall/zsysnum_openbsd_386.go
+++ b/src/pkg/syscall/zsysnum_openbsd_386.go
@@ -1,4 +1,4 @@
-// mksysnum_openbsd.pl 
+// mksysnum_openbsd.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 package syscall
diff --git a/src/pkg/syscall/zsysnum_openbsd_amd64.go b/src/pkg/syscall/zsysnum_openbsd_amd64.go
index 1d97fe0..927b137 100644
--- a/src/pkg/syscall/zsysnum_openbsd_amd64.go
+++ b/src/pkg/syscall/zsysnum_openbsd_amd64.go
@@ -1,4 +1,4 @@
-// mksysnum_openbsd.pl 
+// mksysnum_openbsd.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
 package syscall