Image: BMP: Call bitmap format conversion after decode.

Currently a no-op, because we decode to the default format
and no front end requests anything but the default format.

content/handlers/image/bmp.c

@@ -35,6 +35,7 @@
 #include "content/content_protected.h"
 #include "content/content_factory.h"
 #include "desktop/gui_internal.h"
+#include "desktop/bitmap.h"
 
 #include "image/bmp.h"
 
@@ -189,6 +190,9 @@ static bool nsbmp_redraw(struct content *c, struct content_redraw_data *data,
 			return false;
 		}
 
+		bitmap_format_to_client(bmp->bitmap, &(bitmap_fmt_t) {
+			.layout = BITMAP_LAYOUT_R8G8B8A8,
+		});
 		guit->bitmap->modified(bmp->bitmap);
 	}