libosmo-mgcp: fix unused extra argument to printf() in add_fmtp()

Change-Id: Ie48da20aea7bc1eedc3f8b5b4a708458f0860a25
Closes: CID#208171
diff --git a/src/libosmo-mgcp/mgcp_sdp.c b/src/libosmo-mgcp/mgcp_sdp.c
index f80ebb8..a7478ad 100644
--- a/src/libosmo-mgcp/mgcp_sdp.c
+++ b/src/libosmo-mgcp/mgcp_sdp.c
@@ -496,7 +496,7 @@
 				return -EINVAL;
 		}
 
-		rc = msgb_printf(sdp, "\r\n", fmtp_params[i].payload_type);
+		rc = msgb_printf(sdp, "\r\n");
 		if (rc < 0)
 			return -EINVAL;
 	}