Log Message:
-----------
Fix for typo in install that used "exe" for Unix, per Hiroshi.
Modified Files:
--------------
pg_migrator:
INSTALL (r1.30 -> r1.31)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pg-migrator/pg_migrator/INSTALL?r1=1.30&r2=1.31)