subparse: fix build with GCC 4.6.3

gstsubparse.c: In function ‘parse_subrip’:
gstsubparse.c:988:7: error: ignoring return value of ‘strtol’, declared with attribute warn_unused_result [-Werror=unused-result]
cc1: all warnings being treated as errors

https://bugzilla.gnome.org/show_bug.cgi?id=765042

1 files changed, 8 insertions, 2 deletions

diff --git a/gst/subparse/gstsubparse.c b/gst/subparse/gstsubparse.c
index fd1473345..c8acc0650 100644
--- a/gst/subparse/gstsubparse.c
+++ b/gst/subparse/gstsubparse.c
@@ -982,11 +982,17 @@ parse_subrip (ParserState * state, const gchar * line)
   switch (state->state) {
     case 0:{
       char *endptr;
+      guint64 id;
 
       /* looking for a single integer as a Cue ID, but we
        * don't actually use it */
-      (void) strtol (line, &endptr, 10);
-      if (endptr != line && *endptr == '\0')
+      errno = 0;
+      id = g_ascii_strtoull (line, &endptr, 10);
+      if (id == G_MAXUINT64 && errno == ERANGE)
+        state->state = 1;
+      else if (id == 0 && errno == EINVAL)
+        state->state = 1;
+      else if (endptr != line && *endptr == '\0')
         state->state = 1;
       return NULL;
     }