Merge r1921971 from trunk:

Merge r1921971 from trunk:

* modules/aaa/mod_authnz_ldap.c (create_authnz_ldap_dir_config): Fix allocation
  of sgAttributes, found by gcc -fanalyzer:

modules/aaa/mod_authnz_ldap.c: scope_hint: In function 'create_authnz_ldap_dir_config'
modules/aaa/mod_authnz_ldap.c:356:23: warning[-Wanalyzer-allocation-size]: allocated buffer size is not a multiple of the pointee's size

Reviewed by: jorton, jailletc36, covener

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1922944 13f79535-47bb-0310-9956-ffa450edef68