Log Message:
-----------
Add a setlocal command to the beginning of build.bat. This is required
to deal with buildenv.bat properly, so that PATH (for example) doesn't
expand infintly. Per report from Joachim Wieland, patch from Magnus.
Modified Files:
--------------
pgsql/src/tools/msvc:
build.bat (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/build.bat.diff?r1=1.4&r2=1.5)