misc: Move from u_int to uint types of stdint.h

This was done with sed on the files.
diff --git a/openbsc/include/openbsc/rtp_proxy.h b/openbsc/include/openbsc/rtp_proxy.h
index 2e4f278..8ad3636 100644
--- a/openbsc/include/openbsc/rtp_proxy.h
+++ b/openbsc/include/openbsc/rtp_proxy.h
@@ -67,23 +67,23 @@
 		} proxy;
 		struct {
 			struct gsm_network *net;
-			u_int32_t callref;
+			uint32_t callref;
 		} receive;
 	};
 	enum rtp_tx_action tx_action;
 	struct {
-		u_int16_t sequence;
-		u_int32_t timestamp;
-		u_int32_t ssrc;
+		uint16_t sequence;
+		uint32_t timestamp;
+		uint32_t ssrc;
 		struct timeval last_tv;
 	} transmit;
 };
 
 struct rtp_socket *rtp_socket_create(void);
-int rtp_socket_bind(struct rtp_socket *rs, u_int32_t ip);
-int rtp_socket_connect(struct rtp_socket *rs, u_int32_t ip, u_int16_t port);
+int rtp_socket_bind(struct rtp_socket *rs, uint32_t ip);
+int rtp_socket_connect(struct rtp_socket *rs, uint32_t ip, uint16_t port);
 int rtp_socket_proxy(struct rtp_socket *this, struct rtp_socket *other);
-int rtp_socket_upstream(struct rtp_socket *this, struct gsm_network *net, u_int32_t callref);
+int rtp_socket_upstream(struct rtp_socket *this, struct gsm_network *net, uint32_t callref);
 int rtp_socket_free(struct rtp_socket *rs);
 int rtp_send_frame(struct rtp_socket *rs, struct gsm_data_frame *frame);