cygwin: export SSP functions

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>

winsup/cygwin/common.din

@@ -7,6 +7,7 @@ __cygwin_user_data DATA
 __mb_cur_max DATA
 __progname DATA
 __rcmd_errstr DATA
+__stack_chk_guard DATA
 _check_for_executable DATA
 _ctype_ DATA
 _daylight DATA
@@ -42,6 +43,7 @@ __assertfail NOSIGFE
 __b64_ntop NOSIGFE
 __b64_pton NOSIGFE
 __bsd_qsort_r NOSIGFE
+__chk_fail SIGFE
 __cxa_atexit = cygwin__cxa_atexit SIGFE
 __cxa_finalize SIGFE
 __dn_comp SIGFE
@@ -62,6 +64,7 @@ __fwritable NOSIGFE
 __fwriting NOSIGFE
 __getpagesize = getpagesize SIGFE
 __getreent NOSIGFE
+__gets_chk SIGFE
 __gnu_basename NOSIGFE
 __infinity NOSIGFE
 __isinfd = isinf NOSIGFE
@@ -72,7 +75,11 @@ __locale_ctype_ptr NOSIGFE
 __locale_ctype_ptr_l NOSIGFE
 __locale_mb_cur_max NOSIGFE
 __main NOSIGFE
+__memcpy_chk NOSIGFE
+__memmove_chk NOSIGFE
 __mempcpy = mempcpy NOSIGFE
+__mempcpy_chk NOSIGFE
+__memset_chk NOSIGFE
 __opendir_with_d_ino SIGFE
 __res_close SIGFE
 __res_init SIGFE
@@ -92,10 +99,22 @@ __res_state SIGFE
 __signbitd NOSIGFE
 __signbitf NOSIGFE
 __signgam NOSIGFE
+__snprintf_chk SIGFE
+__sprintf_chk SIGFE
 __srget SIGFE
 __srget_r SIGFE
+__stack_chk_fail SIGFE
+__stack_chk_fail_local = __stack_chk_fail SIGFE
+__stpcpy_chk NOSIGFE
+__stpncpy_chk NOSIGFE
+__strcat_chk NOSIGFE
+__strcpy_chk NOSIGFE
+__strncat_chk NOSIGFE
+__strncpy_chk NOSIGFE
 __swbuf SIGFE
 __swbuf_r SIGFE
+__vsnprintf_chk SIGFE
+__vsprintf_chk SIGFE
 __wrap__ZdaPv NOSIGFE               # void operator delete[](void *p) throw()
 __wrap__ZdaPvRKSt9nothrow_t NOSIGFE # void operator delete[](void *p, const std::nothrow_t &nt) throw()
 __wrap__ZdlPv NOSIGFE               # void operator delete(void *p) throw()

winsup/cygwin/include/cygwin/version.h

@@ -484,12 +484,17 @@ details. */
   317: Export renameat2.
   318: Export strnstr.
   319: Define O_TMPFILE, O_NOATIME.
+  320: Export __chk_fail, __gets_chk, __memcpy_chk, __memmove_chk,
+       __mempcpy_chk, __memset_chk, __snprintf_chk, __sprintf_chk,
+       __stack_chk_fail, __stack_chk_guard, __stpcpy_chk, __stpncpy_chk,
+       __strcat_chk, __strcpy_chk, __strncat_chk, __strncpy_chk,
+       __vsnprintf_chk, __vsprintf_chk.
 
   Note that we forgot to bump the api for ualarm, strtoll, strtoull,
   sigaltstack, sethostname. */
 
 #define CYGWIN_VERSION_API_MAJOR 0
-#define CYGWIN_VERSION_API_MINOR 319
+#define CYGWIN_VERSION_API_MINOR 320
 
 /* There is also a compatibity version number associated with the shared memory
    regions.  It is incremented when incompatible changes are made to the shared