refs #891, unified "windows.h"

Remark: Using the lc version seems to be slightly smarter
http://stackoverflow.com/a/15466951/356726

src/blackmisc/librarypath.cpp

@@ -13,7 +13,7 @@
 #include <vector>
 
 #ifdef Q_OS_WIN
-#include <Windows.h>
+#include <windows.h>
 #endif
 
 namespace BlackMisc

src/blackmisc/processctrl.cpp

@@ -13,12 +13,11 @@
 #include <array>
 
 #ifdef Q_OS_WIN
-#include <Windows.h>
+#include <windows.h>
 #endif
 
 namespace BlackMisc
 {
-
     CProcessCtrl::CProcessCtrl(QObject *parent) :
         QProcess(parent)
     { }

src/blackmisc/simulation/fsx/simconnectutilities.h

@@ -27,7 +27,7 @@
 #   ifndef NOMINMAX
 #       define NOMINMAX
 #   endif
-#   include <Windows.h>
+#   include <windows.h>
 #else
 using DWORD = unsigned long; //!< Fake Windows DWORD
 #endif