prov/rxm: initialize entry to 0

If the error entry is not initialized, the core provider
may try to save into err_data if err_data_size is set to
a bogus value indicating there is space when there is not.

Signed-off-by: Stephen Oost <stephen.oost@intel.com>
Signed-off-by: aingerson <alexia.ingerson@intel.com>

prov/rxm/src/rxm_conn.c

@@ -611,7 +611,7 @@ void rxm_process_shutdown(struct rxm_conn *conn)
 
 static void rxm_handle_error(struct rxm_ep *ep)
 {
-	struct fi_eq_err_entry entry;
+	struct fi_eq_err_entry entry = {0};
 	ssize_t ret;
 
 	assert(ofi_ep_lock_held(&ep->util_ep));