mgcp: Make sure the save pointer is initialized with NULL.
Coverity is not happy about it but it doesn't appear to be a real
issue as the data will not be NULL on the first call.
Addresses: Coverity CID 1040704
diff --git a/openbsc/src/libmgcp/mgcp_protocol.c b/openbsc/src/libmgcp/mgcp_protocol.c
index d38bbf3..8f6861d 100644
--- a/openbsc/src/libmgcp/mgcp_protocol.c
+++ b/openbsc/src/libmgcp/mgcp_protocol.c
@@ -337,7 +337,7 @@
static int mgcp_analyze_header(struct mgcp_parse_data *pdata, char *data)
{
int i = 0;
- char *elem, *save;
+ char *elem, *save = NULL;
pdata->trans = "000000";