staticd: Fixing memory leak issue

Memory allotted for staticd specific vrf structers is not
being deallocated when the corresponding vrf is destroyed.

Signed-off-by: Rajesh Girada <rgirada@vmware.com>

staticd/static_main.c

@@ -73,6 +73,8 @@ static void sigint(void)
 {
 	zlog_notice("Terminating on signal");
 
+	static_vrf_terminate();
+
 	exit(0);
 }
 

staticd/static_vrf.c

@@ -111,6 +111,7 @@ static int static_vrf_delete(struct vrf *vrf)
 			svrf->stable[afi][safi] = NULL;
 		}
 	}
+	XFREE(MTYPE_TMP, svrf);
 	return 0;
 }
 
@@ -204,3 +205,8 @@ void static_vrf_init(void)
 
 	vrf_cmd_init(static_vrf_config_write, &static_privs);
 }
+
+void static_vrf_terminate(void)
+{
+	vrf_terminate();
+}

staticd/static_vrf.h

@@ -35,4 +35,5 @@ void static_vrf_init(void);
 
 struct route_table *static_vrf_static_table(afi_t afi, safi_t safi,
 					    struct static_vrf *svrf);
+extern void static_vrf_terminate(void);
 #endif