iptv: added NULL termination of property lists.

src/input/mpegts/iptv/iptv.c

@@ -144,6 +144,7 @@ const idclass_t iptv_input_class = {
   .ic_caption    = "IPTV Input",
   .ic_get_title  = iptv_input_class_get_title,
   .ic_properties = (const property_t[]){
+    {}
   }
 };
 
@@ -298,6 +299,7 @@ const idclass_t iptv_network_class = {
   .ic_class      = "iptv_network",
   .ic_caption    = "IPTV Network",
   .ic_properties = (const property_t[]){
+    {}
   }
 };
 

src/input/mpegts/iptv/iptv_mux.c

@@ -38,6 +38,7 @@ const idclass_t iptv_mux_class =
     { PROPDEF1("iptv_interface", "Interface",
                PT_STR, iptv_mux_t, mm_iptv_interface) },
 #endif
+    {}
   }
 };