[FIX] sap.m.SegmentedButton fix for size calculation in arrabian 

jQuery determines the wrong width for arabic texts (1 pixel less than
the actual text length). We therefore add 1px for this locale manually
to avoid text truncation.

Change-Id: I04d7d6a1f2ed77e1dd89438d093877c25673d94e
CSN: 0120031469 0000772017 2014
Merge "[FIX] sap.m.SegmentedButton fix for size calculation in arrabian "