Fix build for newer versions of GCC (#11246)

This commit is contained in:
lhofhansl 2021-05-06 10:24:30 -07:00 committed by mckaygerhard
parent 3845cd5b90
commit 3a4d01b75a

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@ -30,6 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <list>
#include <vector>
#include <set>
#include <memory>
#include <mutex>
class MapBlock;