Add missing #include <functional>

CMakeLists.txt

@@ -9,7 +9,7 @@ set(META_APP_URL "https://github.com/${META_APP_AUTHOR}/${META_PROJECT_NAME}")
 set(META_APP_DESCRIPTION "Common Qt related C++ classes and routines used by my applications such as dialogs, widgets and models")
 set(META_VERSION_MAJOR 5)
 set(META_VERSION_MINOR 7)
-set(META_VERSION_PATCH 0)
+set(META_VERSION_PATCH 1)
 set(META_APP_VERSION ${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH})
 
 # add project files

widgets/pathselection.cpp

@@ -16,6 +16,7 @@
 #include <QContextMenuEvent>
 #endif
 
+#include <functional>
 #include <memory>
 
 using namespace std;