Fix comments position

db/version_set.h

@@ -59,9 +59,6 @@ bool SomeFileOverlapsRange(const InternalKeyComparator& icmp,
 
 class Version {
  public:
-  // Lookup the value for key.  If found, store it in *val and
-  // return OK.  Else return a non-OK status.  Fills *stats.
-  // REQUIRES: lock is not held
   struct GetStats {
     FileMetaData* seek_file;
     int seek_file_level;
@@ -72,6 +69,9 @@ class Version {
   // REQUIRES: This version has been saved (see VersionSet::SaveTo)
   void AddIterators(const ReadOptions&, std::vector<Iterator*>* iters);
 
+  // Lookup the value for key.  If found, store it in *val and
+  // return OK.  Else return a non-OK status.  Fills *stats.
+  // REQUIRES: lock is not held
   Status Get(const ReadOptions&, const LookupKey& key, std::string* val,
              GetStats* stats);