Fixed minor compile warnings in clang

- method with same name but different parameter mirroring one in base class
- missing newline, etc.

src/gui/GameInfoDialog.cxx

@@ -719,4 +719,4 @@ void GameInfoDialog::handleCommand(CommandSender* sender, int cmd,
       Dialog::handleCommand(sender, cmd, data, 0);
       break;
   }
-}
+}

src/gui/LauncherDialog.cxx

@@ -264,7 +264,7 @@ void LauncherDialog::loadConfig()
     if(item < 0) return;
     const FilesystemNode node(myGameList->path(item));
 
-    myRomInfoWidget->loadConfig(node);
+    myRomInfoWidget->reloadProperties(node);
   }
 }
 

src/gui/LauncherDialog.hxx

@@ -62,7 +62,7 @@ class LauncherDialog : public Dialog
 
       @return path if a valid ROM file, else the empty string
     */
-    const string& LauncherDialog::selectedRom();
+    const string& selectedRom();
 
     /**
       Get MD5sum for the currently selected file

src/gui/RomInfoWidget.cxx

@@ -44,7 +44,7 @@ RomInfoWidget::RomInfoWidget(GuiObject* boss, const GUI::Font& font,
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-void RomInfoWidget::loadConfig(const FilesystemNode& node)
+void RomInfoWidget::reloadProperties(const FilesystemNode& node)
 {
   // The ROM may have changed since we were last in the browser, either
   // by saving a different image or through a change in video renderer,

src/gui/RomInfoWidget.hxx

@@ -36,7 +36,7 @@ class RomInfoWidget : public Widget
 
     void setProperties(const Properties& props, const FilesystemNode& node);
     void clearProperties();
-    void loadConfig(const FilesystemNode& node);
+    void reloadProperties(const FilesystemNode& node);
 
   protected:
     void drawWidget(bool hilite) override;