two new chklocale aliases

I add two encoding aliases used in Solaris.


        Zdenek
Index: src/port/chklocale.c
===================================================================
RCS file: /zfs_data/cvs_pgsql/cvsroot/pgsql/src/port/chklocale.c,v
retrieving revision 1.6
diff -c -r1.6 chklocale.c
*** src/port/chklocale.c    17 Oct 2007 15:24:04 -0000    1.6
--- src/port/chklocale.c    25 Oct 2007 07:23:10 -0000
***************
*** 127,132 ****
--- 127,133 ----
      {PG_WIN874, "CP874"},
      {PG_WIN1250, "CP1250"},
      {PG_WIN1251, "CP1251"},
+     {PG_WIN1251, "ansi-1251"},
      {PG_WIN1252, "CP1252"},
      {PG_WIN1253, "CP1253"},
      {PG_WIN1254, "CP1254"},
***************
*** 161,166 ****
--- 162,168 ----

      {PG_BIG5, "BIG5"},
      {PG_BIG5, "BIG5HKSCS"},
+     {PG_BIG5, "Big5-HKSCS"},
      {PG_BIG5, "CP950"},

      {PG_GBK, "GBK"},