godoc: plug file descriptor leak

R=gri
CC=r
https://golang.org/cl/157149

diff --git a/src/cmd/godoc/godoc.go b/src/cmd/godoc/godoc.go
index 7cf5a8519788da86c79386145823744de22e39b6..dd5278f8e746361eacbc5049096921a6db768a06 100644 (file)
--- a/src/cmd/godoc/godoc.go
+++ b/src/cmd/godoc/godoc.go
@@ -859,6 +859,7 @@ func isTextFile(path string) bool {
        if err != nil {
                return false
        }
+       defer f.Close();
 
        var buf [1024]byte;
        n, err := f.Read(&buf);