Fix FTBFS with GCC6

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

src/utils.cpp

@@ -524,7 +524,7 @@ TQStringList Utils::getOpenvpnCiphers()
 		delete OpenvpnCiphersProcess;
 		OpenvpnCiphersProcess=0L;
 		kdError() << "Unable to fetch openvpn ciphers!" << endl;
-		return false;
+		return 0;
 	}
 	else
 	{
@@ -921,7 +921,7 @@ TQStringList Utils::getOpenvpnDigests()
 		delete OpenvpnDigestProcess;
 		OpenvpnDigestProcess=0L;
 		kdError() << "Unable to fetch openvpn digests!" << endl;
-		return false;
+		return 0;
 	}
 	else
 	{
@@ -1036,7 +1036,7 @@ TQString Utils::getNameAndPidOfProgramListen( int port )
 		delete NameAndPidOfProgramListenProcess;
 		NameAndPidOfProgramListenProcess=0L;
 		kdError() << "netstat fails!" << endl;
-		return false;
+		return 0;
 	}
 	else
 	{
@@ -1076,7 +1076,7 @@ TQString Utils::getEmailAddressOfCert(TQString cert)
 		delete GetEmailAddressOfCertProcess;
 		GetEmailAddressOfCertProcess=0L;
 		kdError() << "GetEmailAddressOfCertProcess" << endl;
-		return false;
+		return 0;
 	}
 	else
 	{
@@ -1125,7 +1125,7 @@ TQStringList Utils::getSmartcardSlots(TQString ProviderLib)
 		delete GetSmartcardSlotsProcess;
 		GetSmartcardCertsFromSlotProcess=0L;
 		config->appendLogEntry(i18n("Unable to fetch smartcard slots via pkcs11-tool!"), config->error);
-		return false;
+		return 0;
 	}
 	else
 	{
@@ -1191,7 +1191,7 @@ TQStringList Utils::getSmartcardCertsFromSlot(TQString slot,TQString IdType,TQSt
 		delete GetSmartcardCertsFromSlotProcess;
 		GetSmartcardCertsFromSlotProcess=0L;
 		kdError() << "Unable to fetch smartcard slots via pkcs11-tool!" << endl;
-		return false;
+		return 0;
 	}
 	else
 	{
@@ -1248,7 +1248,7 @@ TQStringList Utils::getCertsFromCiscoCertStore(TQString type)
 		delete GetCertsFromCiscoCertStoreProcess;
 		GetCertsFromCiscoCertStoreProcess=0L;
 		kdError() << "Unable to fetch certificates via cisco_cert_mgr!" << endl;
-		return false;
+		return 0;
 	}
 	else
 	{
@@ -1287,7 +1287,7 @@ TQStringList Utils::getOpenvpnPkcs11Ids(TQString ProviderLib)
 		delete OpenvpnPkcs11IdsProcess;
 		OpenvpnPkcs11IdsProcess=0L;
 		kdError() << "Unable to fetch pkcs11 ids via openvpn!" << endl;
-		return false;
+		return 0;
 	}
 	else
 	{