staging: fbtft: Adds space around "/"

Kernel coding style recommends a space char around "/".
Signed-off-by: Leonardo Brás <leobras.c@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fbtft/fbtft.h

@@ -232,7 +232,7 @@ struct fbtft_par {
 	bool polarity;
 };
 
-#define NUMARGS(...)  (sizeof((int[]){__VA_ARGS__})/sizeof(int))
+#define NUMARGS(...)  (sizeof((int[]){__VA_ARGS__}) / sizeof(int))
 
 #define write_reg(par, ...)                                            \
 	((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))