interim commit go fmt stuff

Change-Id: I617a7d771b50c2b7999eabbbebbabef4e68d8713
diff --git a/vendor/golang.org/x/sys/unix/mkpost.go b/vendor/golang.org/x/sys/unix/mkpost.go
index eb43320..9feddd0 100644
--- a/vendor/golang.org/x/sys/unix/mkpost.go
+++ b/vendor/golang.org/x/sys/unix/mkpost.go
@@ -42,16 +42,9 @@
 		log.Fatal(err)
 	}
 
-	if goos == "aix" {
-		// Replace type of Atim, Mtim and Ctim by Timespec in Stat_t
-		// to avoid having both StTimespec and Timespec.
-		sttimespec := regexp.MustCompile(`_Ctype_struct_st_timespec`)
-		b = sttimespec.ReplaceAll(b, []byte("Timespec"))
-	}
-
 	// Intentionally export __val fields in Fsid and Sigset_t
-	valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__(bits|val)(\s+\S+\s+)}`)
-	b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$4}"))
+	valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__val(\s+\S+\s+)}`)
+	b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$3}"))
 
 	// Intentionally export __fds_bits field in FdSet
 	fdSetRegex := regexp.MustCompile(`type (FdSet) struct {(\s+)X__fds_bits(\s+\S+\s+)}`)
@@ -103,15 +96,6 @@
 	cgoCommandRegex := regexp.MustCompile(`(cgo -godefs .*)`)
 	b = cgoCommandRegex.ReplaceAll(b, []byte(replacement))
 
-	// Rename Stat_t time fields
-	if goos == "freebsd" && goarch == "386" {
-		// Hide Stat_t.[AMCB]tim_ext fields
-		renameStatTimeExtFieldsRegex := regexp.MustCompile(`[AMCB]tim_ext`)
-		b = renameStatTimeExtFieldsRegex.ReplaceAll(b, []byte("_"))
-	}
-	renameStatTimeFieldsRegex := regexp.MustCompile(`([AMCB])(?:irth)?time?(?:spec)?\s+(Timespec|StTimespec)`)
-	b = renameStatTimeFieldsRegex.ReplaceAll(b, []byte("${1}tim ${2}"))
-
 	// gofmt
 	b, err = format.Source(b)
 	if err != nil {