staging: rtl8188eu: remove intialization of static ints

static ints are initialized to 0 by the compiler.
Explicit initialization is not necessary.

Found by checkpatch.pl - ERROR: do not initialise statics to 0 or NULL

changes made using coccinelle script:
@@
type T;
identifier var;
@@
static T var
- =0
;
Signed-off-by: Supriya Karanth <iskaranth@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/os_dep/os_intfs.c

@@ -38,7 +38,7 @@ MODULE_VERSION(DRIVERVERSION);
 #define RTW_NOTCH_FILTER 0 /* 0:Disable, 1:Enable, */
 
 /* module param defaults */
-static int rtw_chip_version = 0x00;
+static int rtw_chip_version;
 static int rtw_rfintfs = HWPI;
 static int rtw_lbkmode;/* RTL8712_AIR_TRX; */
 static int rtw_network_mode = Ndis802_11IBSS;/* Ndis802_11Infrastructure; infra, ad-hoc, auto */