Fix missing windows includes for userinfo

This fixes the windows build by adding some missing
includes. QtGlobal is required to use the Q_OS_WIN macro.

src/utils/userinfo.cpp

@@ -9,6 +9,9 @@
 */
 
 #include "userinfo.h"
+
+#include <QtGlobal>
+
 #ifdef Q_OS_WIN
 #include "userinfo_win_p.h"
 #endif

src/utils/userinfo_win.cpp

@@ -8,6 +8,7 @@
 */
 
 #include "userinfo_win_p.h"
+#include "kleopatra_debug.h"
 
 /* Use Windows API to query the user name and email.
    EXTENDED_NAME_FORMAT is documented in MSDN */

src/utils/userinfo_win_p.h

@@ -14,6 +14,8 @@
 #define SECURITY_WIN32
 #include <secext.h> // For GetUserNameEx
 
+#include <QString>
+
 QString win_get_user_name(EXTENDED_NAME_FORMAT what);
 
 #endif // __KLEOPATRA_UTILS_USERINFO_WIN_P_H__