Merge pull request #4 from golang/master

glog: populate symlinks -log_link directory (golang#64)

Author: hankji

glog_file.go

@@ -132,6 +132,11 @@ func create(tag string, t time.Time) (f *os.File, filename string, err error) {
 			symlink := filepath.Join(dir, link)
 			os.Remove(symlink)        // ignore err
 			os.Symlink(name, symlink) // ignore err
+			if *logLink != "" {
+				lsymlink := filepath.Join(*logLink, link)
+				os.Remove(lsymlink)         // ignore err
+				os.Symlink(fname, lsymlink) // ignore err
+			}
 			return f, fname, nil
 		}
 		lastErr = err