Update wiringPi/piNes.c

Fix double-double quote issue.  Fixes https://github.com/WiringPi/WiringPi/issues/4

wiringPi/piNes.c

@@ -22,7 +22,7 @@
  ***********************************************************************
  */
 
-#include ""wiringPi.h""
+#include "wiringPi.h"
 
 #include "piNes.h"