conn_init: set unused attribute for unused param

pEndOfCfg is unused, and self assigning is an error
(with Werror) in Clang. Set this parameter as unused instead.

Change-Id: Ifea8a44579ef842ceed4837791a5a5142d0e3bc4
diff --git a/conn_init/wfc_util_fctrl.c b/conn_init/wfc_util_fctrl.c
index 13a82f1..cd532a9 100644
--- a/conn_init/wfc_util_fctrl.c
+++ b/conn_init/wfc_util_fctrl.c
@@ -464,7 +464,8 @@
  * return : it will return the length of the stored string value if procedure is success
  *          or will return 0 if not.
  */
-int wfc_util_fget_string(char *pFileName, char *pEndOfCfg, char *pSTagString, char *pETagString, char *pValueStringBuff, int stringBuffLength)
+int wfc_util_fget_string(char *pFileName, char *pEndOfCfg __attribute__((unused)), char *pSTagString,
+			 char *pETagString, char *pValueStringBuff, int stringBuffLength)
 {
 	int result = 0;
 	int fd;
@@ -472,9 +473,6 @@
 	char *pReadBuff = NULL;
 	char *pSPointer = NULL, *pETagPointer = NULL, *pSValuePointer = NULL;
 
-	/* unused parameter*/
-	pEndOfCfg = pEndOfCfg;
-
 	fd = open( pFileName, O_RDONLY );
 
 	if( fd >= 0 ) {