osmux: Rename field s/init/initialized

Change-Id: Ic48de396b1d8a0774611b4a1c2248ba79bdaf044
diff --git a/src/libosmo-mgcp/mgcp_protocol.c b/src/libosmo-mgcp/mgcp_protocol.c
index 506de34..e748c5b 100644
--- a/src/libosmo-mgcp/mgcp_protocol.c
+++ b/src/libosmo-mgcp/mgcp_protocol.c
@@ -740,7 +740,7 @@
  */
 static int mgcp_osmux_setup(struct mgcp_endpoint *endp, const char *line)
 {
-	if (!endp->trunk->cfg->osmux_init) {
+	if (!endp->trunk->cfg->osmux_initialized) {
 		if (osmux_init(OSMUX_ROLE_BSC, endp->trunk) < 0) {
 			LOGPENDP(endp, DLMGCP, LOGL_ERROR, "Cannot init OSMUX\n");
 			return -3;