Fixed FTBFS without tdehw lib.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit c4a0aea65d)

src/sources/batterysrc.cpp

@@ -22,12 +22,16 @@
 #include <tdelocale.h>
 #include <kdebug.h>
 
+#ifdef __TDE_HAVE_TDEHWLIB
+#include <tdehardwaredevices.h>
+#endif
+
 BatterySrc::BatterySrc(TQWidget* inParent, TQString inUDI):
 		LabelSource(inParent),
 		mTrigger(this, 5000),
 		mUDI(inUDI),
 		mHardwareDevices(NULL){
-
+#ifdef __TDE_HAVE_TDEHWLIB
 	mHardwareDevices = TDEGlobal::hardwareDevices();
 	TDEGenericDevice* hwdevice = mHardwareDevices->findByUniqueID(inUDI);
 
@@ -35,6 +39,9 @@ BatterySrc::BatterySrc(TQWidget* inParent, TQString inUDI):
 		TDEBatteryDevice* bdevice = static_cast<TDEBatteryDevice*>(hwdevice);
 		mID = bdevice->friendlyName();
 	}
+#else
+	mID = TQString::null;
+#endif
 	mName = mID;
 	mDescription = i18n("This source displays the current state of charge of your battery.");
 }
@@ -45,7 +52,7 @@ BatterySrc::~BatterySrc(){
 
 std::list<Source*>BatterySrc::createInstances(TQWidget* inParent){
 	std::list<Source*> list;
-
+#ifdef __TDE_HAVE_TDEHWLIB
 	TDEHardwareDevices* hardwareDevices = TDEGlobal::hardwareDevices();
 	TDEGenericHardwareList hwlist = hardwareDevices->listAllPhysicalDevices();
 	TDEGenericDevice *hwdevice;
@@ -54,12 +61,13 @@ std::list<Source*>BatterySrc::createInstances(TQWidget* inParent){
 			list.push_back(new BatterySrc(inParent, hwdevice->uniqueID()));
 		}
 	}
-
+#endif
 	return list;
 }
 
 TQString BatterySrc::fetchValue() {
 	TQString s = "n/a";
+#ifdef __TDE_HAVE_TDEHWLIB
 	if (mHardwareDevices != NULL) {
 		TDEGenericDevice* hwdevice = mHardwareDevices->findByUniqueID(mUDI);
 		if (hwdevice->type() != TDEGenericDeviceType::Battery) {
@@ -68,6 +76,7 @@ TQString BatterySrc::fetchValue() {
 		TDEBatteryDevice* bdevice = static_cast<TDEBatteryDevice*>(hwdevice);
 		s = TQString::number(bdevice->chargePercent()) + " %";
 	}
+#endif
 	return s;
 }
 #include "batterysrc.moc"

src/sources/batterysrc.h

@@ -26,8 +26,7 @@
 #include <tqstring.h>
 #include <list>
 
-#include <tdehardwaredevices.h>
-
+class TDEHardwareDevices;
 /**
  * BatterySrc fetches the state of charge of the battery from HAL
  * @author Ken Werner