*: get rid of "MTYPE 0"

A few places are using 0 in place of the MTYPE_* argument.  The
following rewrite of the alloc tracking won't deal with that, so let's
use MTYPE_TMP instead.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
Acked-by: Donald Sharp <sharpd@cumulusnetworks.com>
diff --git a/ospfclient/ospf_apiclient.h b/ospfclient/ospf_apiclient.h
index 0e74787..8098619 100644
--- a/ospfclient/ospf_apiclient.h
+++ b/ospfclient/ospf_apiclient.h
@@ -23,7 +23,7 @@
 #ifndef _OSPF_APICLIENT_H
 #define _OSPF_APICLIENT_H
 
-#define MTYPE_OSPF_APICLIENT 0
+#define MTYPE_OSPF_APICLIENT MTYPE_TMP
 
 /* Structure for the OSPF API client */
 struct ospf_apiclient