5710 iswblank_l missing from headers
Reviewed by: Josef Sipek <jeffpc@josefsipek.net>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: TBD

*** 22,32 ****
  /*      wctype.h        1.13 89/11/02 SMI; JLE  */
  /*      from AT&T JAE 2.1                       */
  /*      definitions for international functions */
  
  /*
!  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
   *
   * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
--- 22,32 ----
  /*      wctype.h        1.13 89/11/02 SMI; JLE  */
  /*      from AT&T JAE 2.1                       */
  /*      definitions for international functions */
  
  /*
!  * Copyright 2015 Garrett D'Amore <garrett@damore.org>
   *
   * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
*** 139,148 ****
--- 139,149 ----
  extern wint_t towupper_l(wint_t, locale_t);
  extern wint_t towctrans_l(wint_t, wctrans_t, locale_t);
  extern int iswctype_l(wint_t, wctype_t, locale_t);
  extern int iswalnum_l(wint_t, locale_t);
  extern int iswalpha_l(wint_t, locale_t);
+ extern int iswblank_l(wint_t, locale_t);
  extern int iswcntrl_l(wint_t, locale_t);
  extern int iswdigit_l(wint_t, locale_t);
  extern int iswgraph_l(wint_t, locale_t);
  extern int iswlower_l(wint_t, locale_t);
  extern int iswprint_l(wint_t, locale_t);