refs #207, fixed windows.h / NOMINMAX.

Depending on the build setup (config.pri) missing NOMINMAX caused warning, or already existing NOMINMAX caused warning

src/blackcore/win/keyboard_windows.h

@@ -13,7 +13,10 @@
 #include "blackcore/keyboard.h"
 #include "blackmisc/hwkeyboardkey.h"
 #include <QHash>
-#include <Windows.h>
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
+#include <windows.h>
 
 namespace BlackCore
 {

src/blackcore/win/keymapping_windows.cpp

@@ -5,6 +5,10 @@
 
 #include "keymapping_windows.h"
 #include <QDebug>
+
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
 #include <windows.h>
 
 using namespace BlackMisc::Hardware;

src/blackcore/win/keymapping_windows.h

@@ -8,6 +8,9 @@
 #define BLACKCORE_KEYMAPPING_WINDOWS_H
 
 #include "blackmisc/hwkeyboardkey.h"
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
 #include <windows.h>
 
 namespace BlackCore
@@ -39,4 +42,4 @@ namespace BlackCore
     };
 
 } // namespace BlackCore
-#endif // BLACKCORE_KEYMAPPING_WINDOWS_H
+#endif // guard