refs #891, unified "windows.h"

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

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)
     { }