FS-7046 fix some additional warnings

src/mod/endpoints/mod_verto/mcast/mcast_cpp.cpp

@@ -38,7 +38,7 @@
 #include <poll.h>
 #endif
 
-McastHandle::McastHandle(const char *host, int port, int flags)
+McastHandle::McastHandle(const char *host, int16_t port, int flags)
 {
 	mcast_socket_create(host, port, &handle, (mcast_flag_t) flags);
 }

src/mod/endpoints/mod_verto/mcast/mcast_cpp.h

@@ -45,7 +45,7 @@ class McastHandle {
  private:
 	mcast_handle_t handle;
  public:
-	McastHandle(const char *host, int port, int flags);
+	McastHandle(const char *host, int16_t port, int flags);
 	virtual ~McastHandle();
 	int send(const char *data);
 	char *recv(int ms = 0);