pginstaller - pginst: Make location of visual c++ redistributables not

Log Message:
-----------
Make location of visual c++ redistributables not hardcoded

Modified Files:
--------------
pginst:
Makefile (r1.32 -> r1.33)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/Makefile.diff?r1=1.32&r2=1.33)
Makefile.paths.in (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/Makefile.paths.in.diff?r1=1.2&r2=1.3)
pginst/wxs:
pginst.wxs (r1.171 -> r1.172)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.171&r2=1.172)