Fix vaErrorStr() for VA_STATUS_ERROR_INVALID_IMAGE_FORMAT.

va/va.c

@@ -319,6 +319,8 @@ const char *vaErrorStr(VAStatus error_status)
             return "the requested function is not implemented";
         case VA_STATUS_ERROR_SURFACE_IN_DISPLAYING:
             return "surface is in displaying (may by overlay)" ;
+        case VA_STATUS_ERROR_INVALID_IMAGE_FORMAT:
+            return "invalid VAImageFormat";
         case VA_STATUS_ERROR_UNKNOWN:
             return "unknown libva error";
     }