tests: bsc-nat: fix bsc_mgcp_rewrite() with osmux
Pass -1 to indicate no osmux, before ("b769f3c osmux: add osmux
circuit ID management and resolve NAT problems"), 0 was indicating
no osmux.
diff --git a/openbsc/tests/bsc-nat/bsc_nat_test.c b/openbsc/tests/bsc-nat/bsc_nat_test.c
index e9567c7..6f51707 100644
--- a/openbsc/tests/bsc-nat/bsc_nat_test.c
+++ b/openbsc/tests/bsc-nat/bsc_nat_test.c
@@ -630,7 +630,7 @@
char *input = strdup(orig);
output = bsc_mgcp_rewrite(input, strlen(input), 0x1e,
- ip, port, 0, &payload_type);
+ ip, port, -1, &payload_type);
if (payload_type != -1) {
fprintf(stderr, "Found media payload type %d in SDP data\n",