cmd/link: unexport Elfadddynsym

Change-Id: Ifc66bd8c32e788f35da3bd105bcdcfd04bd3dabc
Reviewed-on: https://go-review.googlesource.com/59414Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>

src/cmd/link/internal/ld/elf.go

@@ -2700,7 +2700,7 @@ elfobj:
 	}
 }
 
-func Elfadddynsym(ctxt *Link, s *Symbol) {
+func elfadddynsym(ctxt *Link, s *Symbol) {
 	if elf64 {
 		s.Dynid = int32(Nelfsym)
 		Nelfsym++

src/cmd/link/internal/ld/go.go

@@ -321,7 +321,7 @@ func Adddynsym(ctxt *Link, s *Symbol) {
 	}
 
 	if Iself {
-		Elfadddynsym(ctxt, s)
+		elfadddynsym(ctxt, s)
 	} else if Headtype == objabi.Hdarwin {
 		Errorf(s, "adddynsym: missed symbol (Extname=%s)", s.Extname)
 	} else if Headtype == objabi.Hwindows {