staging:rtl8192u: Add spaces around operators - Style

Add the required spaces around '+' and '*' operators. This is a
coding style change to clear the checkpatch issue. There should be
no impact on runtime code execution.
Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h

@@ -7,7 +7,7 @@
 #define AC_PARAM_SIZE	4
 #define WMM_PARAM_ELE_BODY_LEN	18
 
-#define WMM_PARAM_ELEMENT_SIZE	(8+(4*AC_PARAM_SIZE))
+#define WMM_PARAM_ELEMENT_SIZE	(8 + (4 * AC_PARAM_SIZE))
 
 //
 // ACI/AIFSN Field.