BaseTools/Source/Python/Trim/Trim.py:   Fix trim failure for source files with a zero length.  For example   edk2 => MdePkg/Library/BaseLib/X64/Thunk16.S currently has a zero length.   Code also reviewed by Javen (jwang36).
BaseTools/Source/Python/Trim/Trim.py:
  Fix trim failure for source files with a zero length.  For example
  edk2 => MdePkg/Library/BaseLib/X64/Thunk16.S currently has a zero length.
  Code also reviewed by Javen (jwang36).


git-svn-id: f3880c1fc5096ce2109c8aec392d8e07f619f417@859 c2973edb-eda0-4c78-bc6a-9341b269661f

bitcrystal/buildtools-BaseTools,tianocore/buildtools-BaseTools,tianocore/buildtools-BaseTools,tianocore/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,tianocore/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,bitcrystal/buildtools-BaseTools,tianocore/buildtools-BaseTools