Fix return type of image_background (Bug#13981)

* src/dispextern.h (RGB_PIXEL_COLOR): Move here from image.c.  Use it
as return type of image_background.  (Bug#13981)
* src/image.c (RGB_PIXEL_COLOR): Move to dispextern.h.

1 files changed, 0 insertions, 5 deletions

diff --git a/src/image.c b/src/image.c
index 2d4e7e731ad..0d4bc82f3b4 100644
--- a/src/image.c
+++ b/src/image.c
@@ -68,8 +68,6 @@ typedef struct x_bitmap_record Bitmap_Record;
 #define GET_PIXEL(ximg, x, y) XGetPixel (ximg, x, y)
 #define NO_PIXMAP None
 
-#define RGB_PIXEL_COLOR unsigned long
-
 #define PIX_MASK_RETAIN 0
 #define PIX_MASK_DRAW   1
 #endif /* HAVE_X_WINDOWS */
@@ -88,8 +86,6 @@ typedef struct w32_bitmap_record Bitmap_Record;
 #define GET_PIXEL(ximg, x, y) GetPixel (ximg, x, y)
 #define NO_PIXMAP 0
 
-#define RGB_PIXEL_COLOR COLORREF
-
 #define PIX_MASK_RETAIN 0
 #define PIX_MASK_DRAW   1
 
@@ -110,7 +106,6 @@ typedef struct ns_bitmap_record Bitmap_Record;
 #define GET_PIXEL(ximg, x, y) XGetPixel (ximg, x, y)
 #define NO_PIXMAP 0
 
-#define RGB_PIXEL_COLOR unsigned long
 #define ZPixmap 0
 
 #define PIX_MASK_RETAIN 0