Fix FTBFS when pcsc not available

diff --git a/tdecore/tdehw/tdecryptographiccarddevice.cpp b/tdecore/tdehw/tdecryptographiccarddevice.cpp
index 7c8e3c7..029b8c5 100644
--- a/tdecore/tdehw/tdecryptographiccarddevice.cpp
+++ b/tdecore/tdehw/tdecryptographiccarddevice.cpp
@@ -53,11 +53,15 @@
 #endif
 
 CryptoCardDeviceWatcher::CryptoCardDeviceWatcher() {
+#ifdef WITH_PCSC
 	m_readerStates = NULL;
+#endif
 }
 
 CryptoCardDeviceWatcher::~CryptoCardDeviceWatcher() {
+#ifdef WITH_PCSC
 	free(m_readerStates);
+#endif
 }
 
 void CryptoCardDeviceWatcher::run() {
@@ -208,6 +212,8 @@
 	}
 
 	return atr_formatted;
+#else
+	return TQString::null;
 #endif
 }