pre-C99 fixes

Original commit message from CVS:
pre-C99 fixes

ext/theora/theoradec.c

@@ -392,6 +392,7 @@ theora_dec_src_event (GstPad * pad, GstEvent * event)
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_SEEK:{
       guint64 value;
+      GstEvent *real_seek;
 
       /* we have to ask our peer to seek to time here as we know
        * nothing about how to generate a granulepos from the src
@@ -406,7 +407,7 @@ theora_dec_src_event (GstPad * pad, GstEvent * event)
         goto error;
 
       /* then seek with time on the peer */
-      GstEvent *real_seek = gst_event_new_seek (
+      real_seek = gst_event_new_seek (
           (GST_EVENT_SEEK_TYPE (event) & ~GST_SEEK_FORMAT_MASK) |
           format, value);
 

ext/vorbis/vorbisparse.c

@@ -103,6 +103,9 @@ static void
 vorbis_parse_set_header_on_caps (GstVorbisParse * parse, GstCaps * caps)
 {
   GstBuffer *buf1, *buf2, *buf3;
+  GstStructure *structure;
+  GValue list = { 0 };
+  GValue value = { 0 };
 
   g_assert (parse);
   g_assert (parse->streamheader);
@@ -115,9 +118,7 @@ vorbis_parse_set_header_on_caps (GstVorbisParse * parse, GstCaps * caps)
   buf3 = parse->streamheader->next->next->data;
   g_assert (buf3);
 
-  GstStructure *structure = gst_caps_get_structure (caps, 0);
-  GValue list = { 0 };
-  GValue value = { 0 };
+  structure = gst_caps_get_structure (caps, 0);
 
   /* mark buffers */
   GST_BUFFER_FLAG_SET (buf1, GST_BUFFER_IN_CAPS);