Remove kapplication.h include from sm.h

Not needed in sm.h and pollutes the includes of most header files.

scripting/workspace_wrapper.cpp

@@ -30,6 +30,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #endif
 
 #include <QDesktopWidget>
+#include <QApplication>
 
 namespace KWin {
 

sm.cpp

@@ -33,6 +33,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QSocketNotifier>
 #include <QSessionManager>
 #include <kdebug.h>
+#include <KDE/KApplication>
 
 namespace KWin
 {

sm.h

@@ -23,7 +23,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define KWIN_SM_H
 
 #include <QDataStream>
-#include <kapplication.h>
 #include <ksessionmanager.h>
 #include <netwm_def.h>
 #include <QRect>

tabbox/declarative.cpp

@@ -22,6 +22,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "tabboxhandler.h"
 #include "clientmodel.h"
 // Qt
+#include <QApplication>
 #include <QtDeclarative/qdeclarative.h>
 #include <QtDeclarative/QDeclarativeContext>
 #include <QtDeclarative/QDeclarativeEngine>

workspace.cpp

@@ -61,6 +61,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "xcbutils.h"
 // KDE
 #include <kdeversion.h>
+#include <KDE/KApplication>
 #include <KDE/KActionCollection>
 #include <KDE/KCmdLineArgs>
 #include <KDE/KConfig>

workspace.h

@@ -39,6 +39,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 class QStringList;
 class KConfig;
+class KConfigGroup;
 class KActionCollection;
 class KShortcut;
 class KStartupInfo;