pgbuildfarm - client-code: make regression.diffs come out before other

Log Message:
-----------

make regression.diffs come out before other log files if make check
fails. This makes it consistent with installcheck and contrib installcheck.
Requested by neil Conway.

Modified Files:
--------------
client-code:
run_build.pl (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/run_build.pl.diff?r1=1.9&r2=1.10)