* Makefile.in: Add rules to create and depend on tzmap.h.
	* tzmap-from-unicode.org: New script to create tzmap.h.
	* tzmap.h: New auto-generated file.
	* tzset.c: Drop tzmap from here and include tzmap.h instead.  Drop
	Windows 2000 considerations.
	* tzmap-from-unicode.org: Create tzmap as const.
	* tzmap.h: Regenerate.
* libc/include/stdlib.h (__bsd_qsort_r): Declare.
(qsort_r): Declare.
* libc/search/Makefile.am (ELIX_2_SOURCES): Rename from ELIX_SOURCES.
(ELIX_4_SOURCES): Define.  Add bsd_qsort_r.c and qsort_r.c.
(libsearch_la_SOURCES): Adapt accordingly.
(lib_a_SOURCES): Adapt accordingly.
(CHEWOUT_FILES): Add qsort_r.def.
* libc/search/Makefile.in: Regenerate.
* libc/search/bsd_qsort_r.c: New file.
* libc/search/qsort.c: Update from FreeBSD HEAD. Adapt for both BSD
and GNU qsort_r flavors.
* libc/search/qsort_r.c: New file.
* libc/include/stdlib.h (__bsd_qsort_r): Declare.
(qsort_r): Declare.
* libc/search/Makefile.am (ELIX_2_SOURCES): Rename from ELIX_SOURCES.
(ELIX_4_SOURCES): Define.  Add bsd_qsort_r.c and qsort_r.c.
(libsearch_la_SOURCES): Adapt accordingly.
(lib_a_SOURCES): Adapt accordingly.
(CHEWOUT_FILES): Add qsort_r.def.
* libc/search/Makefile.in: Regenerate.
* libc/search/bsd_qsort_r.c: New file.
* libc/search/qsort.c: Update from FreeBSD HEAD. Adapt for both BSD
and GNU qsort_r flavors.
* libc/search/qsort_r.c: New file.
* common.din (__bsd_qsort_r): Add.
(qsort_r): Add.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* common.din (__bsd_qsort_r): Add.
(qsort_r): Add.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* common.din (__bsd_qsort_r): Add.
(qsort_r): Add.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* new-features.xml (ov-new1.7.34): Document qsort_r and __bsd_qsort_r.
* posix.xml (std-bsd): Add qsort_r.
(std-gnu): Ditto.
(std-notes): Add section for qsort_r.