we modified abi, so lets be explicit

src/include/switch_types.h

@@ -1716,7 +1716,7 @@ struct switch_network_list;
 typedef struct switch_network_list switch_network_list_t;
 
 
-#define SWITCH_API_VERSION 4
+#define SWITCH_API_VERSION 5
 #define SWITCH_MODULE_LOAD_ARGS (switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool)
 #define SWITCH_MODULE_RUNTIME_ARGS (void)
 #define SWITCH_MODULE_SHUTDOWN_ARGS (void)