assets/include/SDL2/SDL_pixels.h in ruby2d-0.9.3 vs assets/include/SDL2/SDL_pixels.h in ruby2d-0.9.4

@@ -1,8 +1,8 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <[e-mail]>
+  Copyright (C) 1997-2019 Sam Lantinga <[e-mail]>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
   arising from the use of this software.
 
@@ -166,11 +166,11 @@
 /* The flag is set to 1 because 0x1? is not in the printable ASCII range */
 #define SDL_ISPIXELFORMAT_FOURCC(format)    \
     ((format) && (SDL_PIXELFLAG(format) != 1))
 
 /* Note: If you modify this list, update SDL_GetPixelFormatName() */
-enum
+typedef enum
 {
     SDL_PIXELFORMAT_UNKNOWN,
     SDL_PIXELFORMAT_INDEX1LSB =
         SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_INDEX1, SDL_BITMAPORDER_4321, 0,
                                1, 0),
@@ -288,10 +288,10 @@
         SDL_DEFINE_PIXELFOURCC('N', 'V', '1', '2'),
     SDL_PIXELFORMAT_NV21 =      /**< Planar mode: Y + V/U interleaved  (2 planes) */
         SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1'),
     SDL_PIXELFORMAT_EXTERNAL_OES =      /**< Android video texture format */
         SDL_DEFINE_PIXELFOURCC('O', 'E', 'S', ' ')
-};
+} SDL_PixelFormatEnum;
 
 typedef struct SDL_Color
 {
     Uint8 r;
     Uint8 g;