Log Message:
-----------
Add missing Makefile dependencies for the "bigtest" and "bigcheck"
targets, and refactor the tablespace setup code into a separate
Makefile target.
Modified Files:
--------------
pgsql/src/test/regress:
GNUmakefile (r1.64 -> r1.65)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/GNUmakefile.diff?r1=1.64&r2=1.65)