Move AppRuntimeDirectory to private namespace

Telegram/SourceFiles/platform/linux/specific_linux.cpp

@@ -246,12 +246,6 @@ bool GenerateDesktopFile(
 	}
 }
 
-} // namespace
-
-void SetApplicationIcon(const QIcon &icon) {
-	QApplication::setWindowIcon(icon);
-}
-
 QString AppRuntimeDirectory() {
 	static const auto Result = [&] {
 		auto runtimeDir = QStandardPaths::writableLocation(
@@ -275,6 +269,12 @@ QString AppRuntimeDirectory() {
 	return Result;
 }
 
+} // namespace
+
+void SetApplicationIcon(const QIcon &icon) {
+	QApplication::setWindowIcon(icon);
+}
+
 QString SingleInstanceLocalServerName(const QString &hash) {
 	const auto idealSocketPath = AppRuntimeDirectory()
 		+ hash

Telegram/SourceFiles/platform/linux/specific_linux.h

@@ -15,8 +15,6 @@ class LocationPoint;
 
 namespace Platform {
 
-QString AppRuntimeDirectory();
-
 void InstallLauncher(bool force = false);
 
 inline void IgnoreApplicationActivationRightNow() {