Per a discussion with Kees Verstoep and Reese Faucette add one more

argument to the query for the line speed. This function is still not
documented, and it really look strange that we have to respecify the
nic_id (it's already attached to the endpoint).

This commit was SVN r15241.

ompi/mca/btl/mx/btl_mx_component.c

@@ -312,7 +312,8 @@ static mca_btl_mx_module_t* mca_btl_mx_create(uint64_t addr)
 #if defined(MX_HAS_NET_TYPE)
     {
         int value;
-        if( (status = mx_get_info( mx_btl->mx_endpoint, MX_LINE_SPEED, NULL, 0,
+        if( (status = mx_get_info( mx_btl->mx_endpoint, MX_LINE_SPEED,
+                                   &nic_id, sizeof(nic_id),
                                    &value, sizeof(int))) != MX_SUCCESS ) {
             opal_output( 0, "mx_get_info(MX_LINE_SPEED) failed with status %d (%s)\n",
                          status, mx_strerror(status) );