Fix image byte extraction macros

src/gdisp/gdisp_image_support.h

@@ -21,11 +21,11 @@
 #define gdispImageGetVar(type, p, idx)				(*(type *)(((uint8_t *)(p))+(idx)))
 #define gdispImageGetByte(type, p, idx, shift)		(((type)gdispImageGetVar(uint8_t, p, idx))<<(shift))
 #define gdispImageSwap16(w)							((((uint16_t)(w))>>8)|(((uint16_t)(w))<<8))
-#define gdispImageSwap32(dw)						((((uint32_t)(w))>>24)|((((uint32_t)(w))&0x00FF0000)>>8)\
+#define gdispImageSwap32(dw)						((((uint32_t)(dw))>>24)|((((uint32_t)(dw))&0x00FF0000)>>8)\
-													 |((((uint32_t)(w))&0x0000FF00)<<8)|(((uint32_t)(w))<<24))
+													 |((((uint32_t)(dw))&0x0000FF00)<<8)|(((uint32_t)(dw))<<24))
-#define gdispImageSwapWords32(dw)					((((uint32_t)(w))>>16)|(((uint32_t)(w))<<16))
+#define gdispImageSwapWords32(dw)					((((uint32_t)(dw))>>16)|(((uint32_t)(dw))<<16))
-#define gdispImageSwapBytes32(dw)					(((((uint32_t)(w))&0xFF000000)>>8)|((((uint32_t)(w))&0x00FF0000)<<8)\
+#define gdispImageSwapBytes32(dw)					(((((uint32_t)(dw))&0xFF000000)>>8)|((((uint32_t)(dw))&0x00FF0000)<<8)\
-													 |((((uint32_t)(w))&0x0000FF00)>>8)|(((uint32_t)(w))<<8))
+													 |((((uint32_t)(dw))&0x0000FF00)>>8)|(((uint32_t)(dw))<<8))
 
 /*
  * Get a uint16_t/uint32_t from memory in the required endianness.
@@ -120,7 +120,6 @@
 #endif
 
 
-	
 #ifdef __cplusplus
 extern "C" {
 #endif