After setting utility buttons, call layoutIfNeeded on button view

This fixes button width not being set correctly in some cases on iOS 8.
Fixes CEWendel#237

Author: hongrich

SWTableViewCell/PodFiles/SWTableViewCell.m

@@ -242,7 +242,8 @@ - (void)setLeftUtilityButtons:(NSArray *)leftUtilityButtons
         _leftUtilityButtons = leftUtilityButtons;
 
         self.leftUtilityButtonsView.utilityButtons = leftUtilityButtons;
-        
+
+        [self.leftUtilityButtonsView layoutIfNeeded];
         [self layoutIfNeeded];
     }
 }
@@ -252,7 +253,8 @@ - (void)setLeftUtilityButtons:(NSArray *)leftUtilityButtons WithButtonWidth:(CGF
     _leftUtilityButtons = leftUtilityButtons;
 
     [self.leftUtilityButtonsView setUtilityButtons:leftUtilityButtons WithButtonWidth:width];
-    
+
+    [self.leftUtilityButtonsView layoutIfNeeded];
     [self layoutIfNeeded];
 }
 
@@ -262,7 +264,8 @@ - (void)setRightUtilityButtons:(NSArray *)rightUtilityButtons
         _rightUtilityButtons = rightUtilityButtons;
 
         self.rightUtilityButtonsView.utilityButtons = rightUtilityButtons;
-        
+
+        [self.rightUtilityButtonsView layoutIfNeeded];
         [self layoutIfNeeded];
     }
 }
@@ -272,7 +275,8 @@ - (void)setRightUtilityButtons:(NSArray *)rightUtilityButtons WithButtonWidth:(C
     _rightUtilityButtons = rightUtilityButtons;
 
     [self.rightUtilityButtonsView setUtilityButtons:rightUtilityButtons WithButtonWidth:width];
-    
+
+    [self.rightUtilityButtonsView layoutIfNeeded];
     [self layoutIfNeeded];
 }