chg: made DropField function a compiler macro instead.

client/util.h

@@ -139,9 +139,15 @@
 #endif
 
 #if defined(__linux__)	|| (__APPLE__)
-# define BLUE_MSG(s) "\e[34m(s)\e[0m"
+# define BLUE_MSG(s) "\e[34m" #s "\e[0m"
 #else
-# define BLUE_MSG(s) "(s)"
+# define BLUE_MSG(s) #s
+#endif
+
+#ifndef DropField
+#define DropField() { \
+	UsbCommand c = {CMD_READER_ISO_14443a, {0,0,0}}; clearCommandBuffer(); SendCommand(&c); \
+}
 #endif
 
 extern int ukbhit(void);