Revert r1543234.  SWIG is defined only during the code generation.  The generated files have SWIGPERL et al defined but not SWIG.  Sorry for the pointless code-churn.
Revert r1543234.  SWIG is defined only during the code generation.  The
generated files have SWIGPERL et al defined but not SWIG.  Sorry for
the pointless code-churn.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1543235 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion