Removed space in ETA printout

This is to fix issue#709

Change-Id: I537f1fb74252fef8a58e68b0960a36a9aada856e

vpxenc.c

@@ -1498,7 +1498,7 @@ static void print_time(const char *label, int64_t etl) {
     etl -= mins * 60;
     secs = etl;
 
-    fprintf(stderr, "[%3s %2"PRId64":%02"PRId64": % 02"PRId64"] ",
+    fprintf(stderr, "[%3s %2"PRId64":%02"PRId64":%02"PRId64"] ",
             label, hours, mins, secs);
   } else {
     fprintf(stderr, "[%3s  unknown] ", label);