vorbis_parser: Include stdint.h in the header, to make it work standalone

This fixes "make checkheaders".
Signed-off-by: NMartin Storsjö <martin@martin.st>

libavcodec/vorbis_parser.h

@@ -27,6 +27,8 @@
 #ifndef AVCODEC_VORBIS_PARSE_H
 #define AVCODEC_VORBIS_PARSE_H
 
+#include <stdint.h>
+
 typedef struct AVVorbisParseContext AVVorbisParseContext;
 
 /**