allow idmapd to be used with NFS_VERSION=3

Author: ehough

CHANGELOG.md

@@ -5,8 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [2.1.1] - unreleased
-
-### Fixed
+## Fixed
+* `idmapd` was not able to be started when `NFS_VERSION=3`
 * `idmapd` isn't required for Kerberos, so don't force the user to provide `idmapd.conf`
 
 ## [2.1.0] - 2019-10-31
@@ -53,4 +53,4 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 * Fixed detection of built-in kernel modules ([#4](https://github.com/ehough/docker-nfs-server/pull/4))
 
 ## [1.0.0] - 2018-02-05
-Initial release.
+Initial release.

entrypoint.sh

@@ -256,7 +256,7 @@ is_nfs3_enabled() {
 
 is_idmapd_enabled() {
 
-  if [[ "$(get_requested_nfs_version)" != '3' && -f "$PATH_FILE_ETC_IDMAPD_CONF" ]]; then
+  if [[ -f "$PATH_FILE_ETC_IDMAPD_CONF" ]]; then
     return 0
   fi