pginstaller - pginst: Update GUIDs, bump version string for beta 1

Log Message:
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Update GUIDs, bump version string for beta 1

Modified Files:
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pginst:
Makefile.config (r1.45 -> r1.46)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/Makefile.config.diff?r1=1.45&r2=1.46)
pginst/wxi:
guid.lst (r1.31 -> r1.32)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxi/guid.lst.diff?r1=1.31&r2=1.32)
pginst/wxs:
pginst.wxs (r1.170 -> r1.171)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.170&r2=1.171)