Merge branch 'es/locate-httpd-module-location-in-test'

Add one more candidate directory that may house httpd modules while
running tests.

* es/locate-httpd-module-location-in-test:
  lib-httpd: extend module location auto-detection

t/lib-httpd.sh

@@ -65,7 +65,8 @@ done
 for DEFAULT_HTTPD_MODULE_PATH in '/usr/libexec/apache2' \
 				 '/usr/lib/apache2/modules' \
 				 '/usr/lib64/httpd/modules' \
-				 '/usr/lib/httpd/modules'
+				 '/usr/lib/httpd/modules' \
+				 '/usr/libexec/httpd'
 do
 	if test -d "$DEFAULT_HTTPD_MODULE_PATH"
 	then