[ios] Added void block type.

iphone/Maps/Categories/UIKitCategories.h

@@ -25,6 +25,16 @@ static inline CGFloat LengthCGPoint(CGPoint point)
 + (NSString *)className;
 - (void)performAfterDelay:(NSTimeInterval)delayInSec block:(TMWMVoidBlock)block;
 
+@end
+
+@interface UIColor (HexColor)
+
++ (UIColor *)colorWithColorCode:(NSString *)colorCode;
++ (UIColor *)applicationBackgroundColor;
++ (UIColor *)applicationColor;
++ (UIColor *)navigationBarColor;
+
+
 @end
 
 @interface UIView (Coordinates)

iphone/Maps/Classes/CustomAlert/AlertController/MWMAlertViewController.mm

@@ -66,7 +66,7 @@ static NSString * const kAlertControllerNibIdentifier = @"MWMAlertViewController
   [self displayAlert:[MWMAlert point2PointAlertWithOkBlock:block needToRebuild:needToRebuild]];
 }
 
-- (void)presentNeedMigrationAlertWithOkBlock:(nonnull CloseAlertCompletion)block
+- (void)presentNeedMigrationAlertWithOkBlock:(nonnull TMWMVoidBlock)block
 {
   [self displayAlert:[MWMAlert needMigrationAlertWithOkBlock:block]];
 }