Log Message:
-----------
On Win32, return original patch if GetShortPathName() fails (no short
name, path does not exist), rather than returning nothing.
Backpatch to 8.1.X.
Modified Files:
--------------
pgsql/src/bin/pg_config:
pg_config.c (r1.18 -> r1.19)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_config/pg_config.c.diff?r1=1.18&r2=1.19)