cmd/link: fix typo in link_test.go

specfic -> specific

Change-Id: Icad0f70c77c866a1031a2929b90fef61fe92aaee
GitHub-Last-Rev: f66b564
GitHub-Pull-Request: #44246
Reviewed-on: https://go-review.googlesource.com/c/go/+/291829
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>

src/cmd/link/link_test.go

@@ -583,7 +583,7 @@ TEXT	·alignPc(SB),NOSPLIT, $0-0
 `
 
 // TestFuncAlign verifies that the address of a function can be aligned
-// with a specfic value on arm64.
+// with a specific value on arm64.
 func TestFuncAlign(t *testing.T) {
 	if runtime.GOARCH != "arm64" || runtime.GOOS != "linux" {
 		t.Skip("skipping on non-linux/arm64 platform")