pginstaller - pginst: Install all headers, hierarchically.

Log Message:
-----------
Install all headers, hierarchically.

Modified Files:
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pginst/wxi:
Makefile (r1.11 -> r1.12)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxi/Makefile.diff?r1=1.11&r2=1.12)
guid.lst (r1.22 -> r1.23)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxi/guid.lst.diff?r1=1.22&r2=1.23)
pginst/wxs:
pginst.wxs (r1.123 -> r1.124)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.123&r2=1.124)