quagga: fix compile with gcc 15.x

package/quagga/Makefile

@@ -12,7 +12,6 @@ PKG_SECTION:=		net/route
 PKG_BUILDDEP:=		readline ncurses c-ares
 PKG_DEPENDS:=		c-ares
 PKG_NEEDS:=		threads
-PKG_URL:=		http://www.quagga.net/
 PKG_SITES:=		https://github.com/Quagga/quagga/releases/download/$(PKG_NAME)-$(PKG_VERSION)/
 
 DISTFILES:=		$(PKG_NAME)-$(PKG_VERSION).tar.gz

package/quagga/patches/patch-ospfd_ospf_ri_c

@@ -0,0 +1,11 @@
+--- quagga-1.2.4.orig/ospfd/ospf_ri.c	2018-02-19 22:24:55.000000000 +0100
++++ quagga-1.2.4/ospfd/ospf_ri.c	2026-05-16 09:00:37.812914806 +0200
+@@ -206,7 +206,7 @@ ospf_router_info_term (void)
+   OspfRI.pce_info.pce_neighbor = NULL;
+   OspfRI.status = disabled;
+ 
+-  ospf_router_info_unregister (OspfRI.scope);
++  ospf_router_info_unregister ();
+ 
+   return;
+ }