Address GCC warnings (and crashing bugs).

src/sbbs3/js_console.cpp

@@ -2211,6 +2211,9 @@ js_clear_console_event(JSContext *cx, uintN argc, jsval *arglist, BOOL once)
 	size_t slen;
 	sbbs_t *sbbs;
 
+	if((sbbs=(sbbs_t*)js_GetClassPrivate(cx, JS_THIS_OBJECT(cx, arglist), &js_console_class))==NULL)
+		return(JS_FALSE);
+
 	if (argc != 2) {
 		JS_ReportError(cx, "console.clearOn() and console.clearOnce() require exactly two parameters");
 		return JS_FALSE;

src/sbbs3/js_filebase.c

@@ -725,7 +725,6 @@ js_get_file_names(JSContext *cx, uintN argc, jsval *arglist)
 static JSBool
 js_get_file_name(JSContext *cx, uintN argc, jsval *arglist)
 {
-	JSObject*	obj = JS_THIS_OBJECT(cx, arglist);
 	jsval*		argv = JS_ARGV(cx, arglist);
 	char*		filepath = NULL;
 	char		filename[SMB_FILEIDX_NAMELEN + 1] = "";