telldus-core: fix compilation with GCC11

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/telldus-core/Makefile

@@ -7,7 +7,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=telldus-core
 PKG_VERSION:=2.1.2
-PKG_RELEASE:=6
+PKG_RELEASE:=7
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://download.telldus.com/TellStick/Software/telldus-core/

utils/telldus-core/patches/970-gcc11.patch

@@ -0,0 +1,33 @@
+--- a/service/SettingsConfuse.cpp
++++ b/service/SettingsConfuse.cpp
+@@ -42,10 +42,10 @@ Settings::Settings(void) {
+ */
+ Settings::~Settings(void) {
+ 	TelldusCore::MutexLocker locker(&mutex);
+-	if (d->cfg > 0) {
++	if (d->cfg) {
+ 		cfg_free(d->cfg);
+ 	}
+-	if (d->var_cfg > 0) {
++	if (d->var_cfg) {
+ 		cfg_free(d->var_cfg);
+ 	}
+ 	delete d;
+@@ -56,7 +56,7 @@ Settings::~Settings(void) {
+ */
+ std::wstring Settings::getSetting(const std::wstring &strName) const {
+ 	TelldusCore::MutexLocker locker(&mutex);
+-	if (d->cfg > 0) {
++	if (d->cfg) {
+ 		std::string setting(cfg_getstr(d->cfg, TelldusCore::wideToString(strName).c_str()));
+ 		return TelldusCore::charToWstring(setting.c_str());
+ 	}
+@@ -68,7 +68,7 @@ std::wstring Settings::getSetting(const
+ */
+ int Settings::getNumberOfNodes(Node node) const {
+ 	TelldusCore::MutexLocker locker(&mutex);
+-	if (d->cfg > 0) {
++	if (d->cfg) {
+ 		if (node == Device) {
+ 			return cfg_size(d->cfg, "device");
+ 		} else if (node == Controller) {