Add missing stdint.h #include to fix 'make checkheaders'.

Originally committed as revision 19484 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/cga_data.h

@@ -21,6 +21,8 @@
 #ifndef AVCODEC_CGA_DATA_H
 #define AVCODEC_CGA_DATA_H
 
+#include <stdint.h>
+
 extern const uint8_t ff_cga_font[2048];
 extern const uint32_t ff_cga_palette[16];