manual merge

sql/log.h:
  manual merge: moving 5.0 hunk into the correct file.

sql/log.h

@@ -130,7 +130,13 @@ typedef struct st_log_info
   my_off_t pos;
   bool fatal; // if the purge happens to give us a negative offset
   pthread_mutex_t lock;
-  st_log_info():fatal(0) { pthread_mutex_init(&lock, MY_MUTEX_INIT_FAST);}
+  st_log_info()
+    : index_file_offset(0), index_file_start_offset(0),
+      pos(0), fatal(0)
+    {
+      log_file_name[0] = '\0';
+      pthread_mutex_init(&lock, MY_MUTEX_INIT_FAST);
+    }
   ~st_log_info() { pthread_mutex_destroy(&lock);}
 } LOG_INFO;