runtime: fix linux/amd64 build: wrong name for munmap

TBR=r
CC=golang-dev
https://golang.org/cl/2140043

diff --git a/src/pkg/runtime/linux/amd64/sys.s b/src/pkg/runtime/linux/amd64/sys.s
index 7e0fffc656b0d9242bdc82d5829bd29e30c6cef6..73db9d7596104034fe654065f62195b317896f1a 100644 (file)
--- a/src/pkg/runtime/linux/amd64/sys.s
+++ b/src/pkg/runtime/linux/amd64/sys.s
@@ -108,7 +108,7 @@ TEXT        ·mmap(SB),7,$0
        INCQ    AX
        RET
 
-TEXT   munmap(SB),7,$0
+TEXT   ·munmap(SB),7,$0
        MOVQ    8(SP), DI
        MOVQ    16(SP), SI
        MOVQ    $11, AX // munmap