Fix failure to reenter suspend/standby

This relates to Bug 1597

src/hardware.cpp

@@ -916,7 +916,11 @@ bool HardwareInfo::suspend( suspend_type suspend ) {
 				if (suspend_states.suspend2disk && (suspend_states.suspend2disk_allowed != 0)) {
 					if (rdevice->setPowerState(TDESystemPowerState::Hibernate)) {
 						calledSuspend.start();
+						handleResumeSignal(0);
 						return true;
+					} else {
+						handleResumeSignal(-1);
+						return false;
 					}
 				} else {
 					if ( !suspend_states.suspend2disk ) 
@@ -931,8 +935,10 @@ bool HardwareInfo::suspend( suspend_type suspend ) {
 				if (suspend_states.suspend2ram && (suspend_states.suspend2ram_allowed != 0)) {
 					if (rdevice->setPowerState(TDESystemPowerState::Suspend)) {
 						calledSuspend.start();
+						handleResumeSignal(0);
 						return true;
 					} else {
+						handleResumeSignal(-1);
 						return false;
 					}
 				} else {
@@ -948,8 +954,10 @@ bool HardwareInfo::suspend( suspend_type suspend ) {
 				if (suspend_states.standby && (suspend_states.standby_allowed != 0)) {
 					if (rdevice->setPowerState(TDESystemPowerState::Standby)) {
 						calledSuspend.start();
+						handleResumeSignal(0);
 						return true;
 					} else {
+						handleResumeSignal(-1);
 						return false;
 					}
 				} else {

src/tdepowersave.cpp

@@ -1150,7 +1150,7 @@ void tdepowersave::handleSleepButtonEvent() {
 /*!
  * Handle the event for the suspend2disk (hibernater) button and call the related action.
  */
-void tdepowersave::handleS2DiskButtonEvent(){
+void tdepowersave::handleS2DiskButtonEvent() {
 	kdDebugFuncIn(trace);
 
 	// Only go to suspend on button event if we already resumed successful.