avutil/pixdesc: support for self-checking the descriptors

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/utils.c

@@ -20,6 +20,7 @@
 #include "avutil.h"
 #include "avassert.h"
 #include "samplefmt.h"
+#include "pixdesc.h"
 
 /**
  * @file
@@ -40,6 +41,8 @@ unsigned avutil_version(void)
         abort();
     }
 
+    ff_check_pixfmt_descriptors();
+
     return LIBAVUTIL_VERSION_INT;
 }