cmd/pack: address go vet reports

Use log.Fatalf for formatting directives instead of log.Fatal

Change-Id: Ia207b320f5795c63cdfa71f92c19ca6d05cc833f
Reviewed-on: https://go-review.googlesource.com/2160
Reviewed-by: Minux Ma <minux@golang.org>

diff --git a/src/cmd/pack/pack.go b/src/cmd/pack/pack.go
index ffb2d617ae4172473d3fc640341c4c9ba8befb2a..f65ae0cf9407dcb9ef01e7bf4682a6415c6092d3 100644 (file)
--- a/src/cmd/pack/pack.go
+++ b/src/cmd/pack/pack.go
@@ -183,7 +183,7 @@ func existingArchive(name string) bool {
                if os.IsNotExist(err) {
                        return false
                }
-               log.Fatal("cannot open file: %s", err)
+               log.Fatalf("cannot open file: %s", err)
        }
        checkHeader(fd)
        fd.Close()
@@ -196,7 +196,7 @@ func checkHeader(fd *os.File) {
        buf := make([]byte, len(arHeader))
        _, err := io.ReadFull(fd, buf)
        if err != nil || string(buf) != arHeader {
-               log.Fatal("%s is not an archive: bad header", fd.Name())
+               log.Fatalf("%s is not an archive: bad header", fd.Name())
        }
 }