7127  remove -Wno-missing-braces from Makefile.uts

@@ -244,12 +244,11 @@
         &rum_dev_ops            /* driver specific ops */
 };
 
 static struct modlinkage modlinkage = {
         MODREV_1,
-        (void *)&rum_modldrv,
-        NULL
+        { (void *)&rum_modldrv, NULL }
 };
 
 static int      rum_m_stat(void *,  uint_t, uint64_t *);
 static int      rum_m_start(void *);
 static void     rum_m_stop(void *);