Small fix to avoid a no such file error during zip file source package  creation.  When the zip file source package is made python scripts have CRLF line endings and shebang lines don't work properly.
Small fix to avoid a no such file error during zip file source package 
creation.  When the zip file source package is made python scripts have
CRLF line endings and shebang lines don't work properly.

* configure.in
  Don't rely on the shebang line to invoke getversion.py, instead explicitly
  invoke /usr/bin/env python.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion