Fix warning, first compute value then increment pointer.

SVN revision: 27586

legacy/evas/src/lib/engines/common/evas_convert_color.c

@@ -10,9 +10,10 @@ evas_common_convert_argb_premul(DATA32 *data, unsigned int len)
      {
 	DATA32  a = 1 + (*data >> 24);
 
-	*data++ = (*data & 0xff000000) + 
+	*data = (*data & 0xff000000) + 
 	  (((((*data) >> 8) & 0xff) * a) & 0xff00) + 
 	  (((((*data) & 0x00ff00ff) * a) >> 8) & 0x00ff00ff);
+	data++;
      }
 }