Fix the last toolbar item not going all the way to the edge on iPad.

Since we round down to ensure integral sizes, we end up with a little extra space on the right at the end. Fix this by special casing the last toolbar item and making sure it goes to the right edge.

Classes/Explorer Toolbar/FLEXExplorerToolbar.m

@@ -113,6 +113,11 @@
         originX = CGRectGetMaxX(toolbarItem.frame);
     }
     
+    // Make sure the last toolbar item goes to the edge to account for any accumulated rounding effects.
+    UIView *lastToolbarItem = [self.toolbarItems lastObject];
+    CGRect lastToolbarItemFrame = lastToolbarItem.frame;
+    lastToolbarItemFrame.size.width = CGRectGetMaxX(self.bounds) - lastToolbarItemFrame.origin.x;
+    lastToolbarItem.frame = lastToolbarItemFrame;
     
     const CGFloat kSelectedViewColorDiameter = [[self class] selectedViewColorIndicatorDiameter];
     const CGFloat kDescriptionLabelHeight = [[self class] descriptionLabelHeight];