pgbuildfarm - client-code: use locale in stage name for InstallCheck

Log Message:
-----------
use locale in stage name for InstallCheck

Modified Files:
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client-code:
run_build.pl (r1.99 -> r1.100)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/run_build.pl.diff?r1=1.99&r2=1.100)