- do not create sysconfig.d when already exists [bsc#1121086]

OBS-URL: https://build.opensuse.org/package/show/Apache/apache2?expand=0&rev=574

start_apache2

@@ -85,7 +85,7 @@ unset sysconfig_setting
 #
 # involve the sysconfig variables
 #
-mkdir -p ${sysconfd_dir} || exit 1
+[ -d ${sysconfd_dir} ] || mkdir -p ${sysconfd_dir} || exit 1
 for c in global.conf include.conf loadmodule.conf; do
   echo "# File generated from $SYSCONFIG_FILE, do not edit. Edit the sysconfig file instead." > ${sysconfd_dir}/$c
 done