Try to make it compile on windows

src/kamail.cpp

@@ -51,6 +51,10 @@
 #include <QDBusInterface>
 
 #include <pwd.h>
+#ifdef Q_OS_WIN
+#define popen _popen
+#define pclose _pclose
+#endif
 
 static const QLatin1String KMAIL_DBUS_SERVICE("org.kde.kmail");
 //static const QLatin1String KMAIL_DBUS_PATH("/KMail");

src/rtcwakeaction.cpp

@@ -17,6 +17,10 @@
 #include <QDateTime>
 
 #include <stdio.h>
+#ifdef Q_OS_WIN
+#define popen _popen
+#define pclose _pclose
+#endif
 
 RtcWakeAction::RtcWakeAction()
 {