Fixed MSVC build (access the not operator)

--HG--
branch : feature

src/libs/ifc/ifcdef.h

@@ -31,6 +31,7 @@
 
 #include <QtGlobal>
 #include "../vmisc/def.h"
+#include <ciso646> //for msvc
 
 extern const QString CustomMSign;
 extern const QString CustomIncrSign;

src/libs/vdxf/dxfdef.h

@@ -30,6 +30,7 @@
 #define DXFDEF_H
 
 #include <QtGlobal>
+#include <ciso646> //for msvc
 
 enum class VarMeasurement : unsigned char { English=0, Metric=1 };
 

src/libs/vlayout/vlayoutdef.h

@@ -29,6 +29,8 @@
 #ifndef VLAYOUTDEF_H
 #define VLAYOUTDEF_H
 
+#include <ciso646> //for msvc
+
 enum class EquidistantType : char { OpenEquidistant, CloseEquidistant };
 
 enum class LayoutErrors : char

src/libs/vmisc/def.h

@@ -37,6 +37,7 @@
 #endif /* Q_OS_WIN */
 
 #include "debugbreak.h"
+#include <ciso646> //for msvc
 
 class QComboBox;