pginstaller - pginst: Set the default encoding to unicode

Log Message:
-----------
Set the default encoding to unicode

Modified Files:
--------------
pginst/wxs:
pginst.wxs (r1.23 -> r1.24)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.23&r2=1.24)
uidata.wxs (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/uidata.wxs.diff?r1=1.3&r2=1.4)