one more wcwidth tweak

[Bruno Haible]

Markus Kuhn noticed that our wcwidth implementation in UTF-8 locales does
not yet return 0 for all so-called "ZERO WIDTH" characters. Here is a fix.


2000-10-29  Bruno Haible  <haible@clisp.cons.org>

	* charmaps/UTF-8: Set width of U200B to 0.
	* charmaps/GB18030: Likewise.

*** glibc-20001010/localedata/charmaps/UTF-8.bak	Mon Oct  2 16:10:07 2000
--- glibc-20001010/localedata/charmaps/UTF-8	Sun Oct 29 00:06:29 2000
***************
*** 55682,55687 ****
--- 55682,55689 ----
  %   "grep '^[^;]*;[^;]*;[^;]*;[^;]*;NSM;' UnicodeData.txt"
  % - Format control characters have width 0; generated from
  %   "grep '^[^;]*;[^;]*;Cf;' UnicodeData.txt"
+ % - Zero width characters have width 0; generated from
+ %   "grep '^[^;]*;ZERO WIDTH ' UnicodeData.txt"
  WIDTH
  <U0300>...<U034E>	0
  <U0360>...<U0362>	0
***************
*** 55773,55779 ****
  <U17C9>...<U17D3>	0
  <U180B>...<U180E>	0
  <U18A9>			0
! <U200C>...<U200F>	0
  <U202A>...<U202E>	0
  <U206A>...<U206F>	0
  <U20D0>...<U20E3>	0
--- 55775,55781 ----
  <U17C9>...<U17D3>	0
  <U180B>...<U180E>	0
  <U18A9>			0
! <U200B>...<U200F>	0
  <U202A>...<U202E>	0
  <U206A>...<U206F>	0
  <U20D0>...<U20E3>	0
*** glibc-20001010/localedata/charmaps/GB18030.bak	Mon Oct  2 16:09:49 2000
--- glibc-20001010/localedata/charmaps/GB18030	Sun Oct 29 00:07:24 2000
***************
*** 55806,55812 ****
  <U180B>...<U180C>	0
  <U180D>...<U180E>	0
  <U18A9>			0
! <U200C>...<U200E>	0
  <U200F>			0
  <U202A>...<U202D>	0
  <U202E>			0
--- 55806,55812 ----
  <U180B>...<U180C>	0
  <U180D>...<U180E>	0
  <U18A9>			0
! <U200B>...<U200E>	0
  <U200F>			0
  <U202A>...<U202D>	0
  <U202E>			0