cmd/ld: fix warning on Plan 9

cpp: src/cmd/ld/lib.h:349 No newline at end of file

Change-Id: Id21851963f7778364ba9337da3bacd312443f51f
Reviewed-on: https://go-review.googlesource.com/5520
Reviewed-by: Minux Ma <minux@golang.org>
diff --git a/src/cmd/ld/lib.h b/src/cmd/ld/lib.h
index f6a8953..4990a80 100644
--- a/src/cmd/ld/lib.h
+++ b/src/cmd/ld/lib.h
@@ -346,4 +346,4 @@
 
 #pragma	varargck	argpos	diag	1
 
-#define	SYMDEF	"__.GOSYMDEF"
\ No newline at end of file
+#define	SYMDEF	"__.GOSYMDEF"