valgrind + clang warnings cleanup

src/settings.cpp

@@ -70,8 +70,7 @@ bool Settings::loadFromSettings() {
 
 	uisettings = new Config{host, port, username, password};
 
-	if (username.isEmpty()) return false; 
-	return true;
+    return !username.isEmpty();
 }
 
 bool Settings::loadFromFile() {
@@ -145,4 +144,4 @@ bool Settings::isSyncing() {
 
 void Settings::setSyncing(bool syncing) {
 	this->_isSyncing = syncing;
-}
+}