Log Message:-----------Fix the check for an existing installation.
Modified Files:-------------- pginst/wrapper: wrapper.proj (r1.3 -> r1.4) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wrapper/wrapper.proj.diff?r1=1.3&r2=1.4) wrapper.wxs (r1.8 -> r1.9) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wrapper/wrapper.wxs.diff?r1=1.8&r2=1.9)