INISettingsInterface: Return bool on saving settings

src/frontend-common/ini_settings_interface.cpp

@@ -16,13 +16,17 @@ INISettingsInterface::~INISettingsInterface()
     Save();
 }
 
-void INISettingsInterface::Save()
+bool INISettingsInterface::Save()
 {
   SI_Error err = m_ini.SaveFile(m_filename.c_str(), false);
   if (err != SI_OK)
+  {
     Log_WarningPrintf("Failed to save settings to '%s'.", m_filename.c_str());
-  else
+    return false;
+  }
+
   m_dirty = false;
+  return true;
 }
 
 void INISettingsInterface::Clear()

src/frontend-common/ini_settings_interface.h

@@ -9,7 +9,7 @@ public:
   INISettingsInterface(std::string filename);
   ~INISettingsInterface();
 
-  void Save();
+  bool Save();
 
   void Clear() override;