just show error when it fails, and clean up temp files on fail

utils/pa_exifautotran

@@ -46,6 +46,10 @@ EOF
         rm err
         mv tempfile "$i"
         jpegexiforient -1 "$i" > /dev/null
+    else
+        cat err
+        rm err
+        rm tempfile
     fi
   fi
 done