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Crash fix.

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This commit is contained in:
Leonardo Zide 2020-12-23 18:30:01 -08:00
parent 2718a4253c
commit bcfbaa3080
1 changed files with 2 additions and 1 deletions
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3
common/lc_model.cpp
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@ -3910,7 +3910,8 @@ void lcModel::EndMouseTool(lcTool Tool, bool Accept)
{ {
if (!Accept && !mIsPreview) if (!Accept && !mIsPreview)
{ {
LoadCheckPoint(mUndoHistory[0]); if (!mUndoHistory.empty())
LoadCheckPoint(mUndoHistory.front());
return; return;
} }