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 {