Fix travis build

qgis · Jul 11, 2019 · 837700a · 837700a
1 parent 86facfb
commit 837700a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/gui/qgslabelinggui.cpp b/src/gui/qgslabelinggui.cpp
@@ -29,7 +29,7 @@
 #include "qgsapplication.h"
 #include "qgscalloutsregistry.h"
 #include "callouts/qgscalloutwidget.h"
-
+#include <mutex>
 
 #include <QButtonGroup>
 #include <QMessageBox>