Fix incorrect usage of login_session_wm. Type of session does not contain executable

for run session but base name of session desktop file.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit adbe9f7f5f)

tdm/kfrontend/kgapp.cpp

@@ -541,7 +541,7 @@ kg_main( const char *argv0 )
 	}
 	if (twin) {
 		if (twin->isRunning()) {
-			if (login_session_wm.endsWith("/starttde") || (login_session_wm == "failsafe")) {
+			if ((login_session_wm == "tde") || (login_session_wm == "trinity") || (login_session_wm == "failsafe")) {
 				twin->closeStdin();
 				twin->detach();
 				dcop->detach();