- trivial doxygen fixes

lustre/include/lustre_log.h

@@ -285,11 +285,11 @@ struct llog_commit_master {
          * Thread control structure. Used for control commit thread.
          */
         struct ptlrpcd_ctl         lcm_pc;
-        /*
+        /**
          * Lock protecting list of llcds.
          */
         spinlock_t                 lcm_lock;
-        /*
+        /**
          * Llcds in flight for debugging purposes.
          */
         struct list_head           lcm_llcds;
@@ -316,7 +316,7 @@ struct llog_canceld_ctxt {
          * left in llcd to cookie comming cookies.
          */
         int                        llcd_size;
-        /*
+        /**
          * Link to lcm llcds list.
          */
         struct list_head           llcd_list;