pgsql: Provide a --no-locale option for pg_regress and a corresponding

Log Message:
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Provide a --no-locale option for pg_regress and a corresponding NOLOCALE=1
setting for the regression makefile, allowing Windows users to force locale
settings since Windows does not get its locale from the environment.

Per Petr Jelinek.

Tags:
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REL8_0_STABLE

Modified Files:
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pgsql/src/test/regress:
GNUmakefile (r1.48.4.1 -> r1.48.4.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/GNUmakefile.diff?r1=1.48.4.1&r2=1.48.4.2)
pg_regress.sh (r1.53.4.1 -> r1.53.4.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/pg_regress.sh.diff?r1=1.53.4.1&r2=1.53.4.2)