Fix error "QT_WARNING_PUSH does not name a type".

--HG--
branch : develop

src/libs/vdxf/libdxfrw/intern/dxfreader.cpp

@@ -17,6 +17,7 @@
 #include "dxfreader.h"
 #include "drw_textcodec.h"
 #include "drw_dbg.h"
+#include "../vmisc/diagnostic.h"
 
 bool dxfReader::readRec(int *codeData) {
 //    std::string text;

src/libs/vmisc/diagnostic.h

@@ -29,9 +29,11 @@
 #ifndef DIAGNOSTIC_H
 #define DIAGNOSTIC_H
 
-#include <QtGlobal>
+#if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 5, 0)
+#include <QtCore/qcompilerdetection.h>
+
+#else
 
 /*
  * Warning/diagnostic handling
@@ -87,6 +89,6 @@
 #  define QT_WARNING_DISABLE_GCC(text)
 #endif
 
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 5, 0)
+#endif // QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
 
 #endif // DIAGNOSTIC_H