gofmt-ify template, time, unsafe, flag, fmt
(replacement for CLs 1017039, 1017041, 1017040, 1018054)

R=r
http://go/go-review/1018060
diff --git a/src/pkg/unsafe/unsafe.go b/src/pkg/unsafe/unsafe.go
index c9b8c9a..a766e54 100644
--- a/src/pkg/unsafe/unsafe.go
+++ b/src/pkg/unsafe/unsafe.go
@@ -4,7 +4,7 @@
 
 /*
 	The unsafe package contains operations that step around the type safety of Go programs.
- */
+*/
 package unsafe
 
 // ArbitraryType is here for the purposes of documentation only and is not actually