Resolve unused variable warning introduced in previous commit

Some trailing whitespace clean-up too.

src/sbbs3/js_system.c

@@ -960,7 +960,6 @@ js_find_login_id(JSContext *cx, uintN argc, jsval *arglist)
 	jsval *argv=JS_ARGV(cx, arglist);
 	char*		p;
 	JSString*	js_str;
-	BOOL		sysop_alias=TRUE;
 	jsrefcount	rc;
 
 	JS_SET_RVAL(cx, arglist, JSVAL_VOID);