macosx_dialog_provider: handle EXTENSION_WIDGET_CHECK_BOX and fixed a few...

macosx_dialog_provider: handle EXTENSION_WIDGET_CHECK_BOX and fixed a few warnings pointed by clang's static analyser

modules/gui/macosx_dialog_provider/VLCProgressPanel.h

@@ -35,10 +35,10 @@
 }
 - (void)createContentView;
 
-- setDialogTitle:(NSString *)title;
-- setDialogMessage:(NSString *)message;
-- setCancelButtonLabel:(NSString *)cancelLabel;
-- setProgressAsDouble:(double)value;
+- (void)setDialogTitle:(NSString *)title;
+- (void)setDialogMessage:(NSString *)message;
+- (void)setCancelButtonLabel:(NSString *)cancelLabel;
+- (void)setProgressAsDouble:(double)value;
 - (BOOL)isCancelled;
 
 - (IBAction)cancelDialog:(id)sender;

modules/gui/macosx_dialog_provider/VLCProgressPanel.m

@@ -106,23 +106,23 @@
     [ourContentView addSubview:_iconView];
 }
 
-- setDialogTitle:(NSString *)title
+- (void)setDialogTitle:(NSString *)title
 {
     [_titleField setStringValue:title];
     [self setTitle:title];
 }
 
-- setDialogMessage:(NSString *)message
+- (void)setDialogMessage:(NSString *)message
 {
     [_messageField setStringValue:message];
 }
 
-- setCancelButtonLabel:(NSString *)cancelLabel
+- (void)setCancelButtonLabel:(NSString *)cancelLabel
 {
     [_cancelButton setTitle:cancelLabel];
 }
 
-- setProgressAsDouble:(double)value
+- (void)setProgressAsDouble:(double)value
 {
     [_progressBar setDoubleValue:value];
 }

modules/gui/macosx_dialog_provider/dialogProvider.m

@@ -703,6 +703,7 @@ static void updateControlFromWidget(NSView *control, extension_widget_t *widget,
             [attrString release];
             break;
         }
+        case EXTENSION_WIDGET_CHECK_BOX:
         case EXTENSION_WIDGET_BUTTON:
         {
             assert([control isKindOfClass:[NSButton class]]);