When the bounds of the page control change, it needs to be redrawn to…

… avoid stretching or compressing the indicators.

SMPageControl.m

@@ -95,6 +95,7 @@ - (void)_initialize
 	self.isAccessibilityElement = YES;
 	self.accessibilityTraits = UIAccessibilityTraitUpdatesFrequently;
 	self.accessibilityPageControl = [[UIPageControl alloc] init];
+	self.contentMode = UIViewContentModeRedraw;
 }
 
 - (id)initWithFrame:(CGRect)frame