s3:lib: Use memcpy() in escape_ldap_string()
../source3/lib/ldap_escape.c: In function ‘escape_ldap_string’:
../source3/lib/ldap_escape.c:79:4: error: ‘strncpy’ output truncated
before terminating nul copying 3 bytes from a string of the same length
[-Werror=stringop-truncation]
strncpy (p, sub, 3);
^~~~~~~~~~~~~~~~~~~
We concatenat and do not care about NUL-termination till the loop has
finished.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
(cherry picked from commit
ff7568daaeb19ff30f47f7f600ead247eaf4e826)