add the md5 fingerprint from file support that somehow slipped during PR171

git-svn-id: svn+ssh://svn.code.sf.net/p/migrid/code/trunk@6189 b75ad72c-e7d7-11dd-a971-7dbc132099af

Author: jonasbardino

mig/shared/configuration.py

@@ -1131,7 +1131,8 @@ def reload_config(self, verbose, skip_log=False, disable_auth_log=False,
             self.user_sftp_key_pub = config.get('GLOBAL',
                                                 'user_sftp_key_pub')
         if config.has_option('GLOBAL', 'user_sftp_key_md5'):
-            fingerprint = config.get('GLOBAL', 'user_sftp_key_md5')
+            fingerprint = expand_external_sources(
+                logger, config.get('GLOBAL', 'user_sftp_key_md5'))
             self.user_sftp_key_md5 = fingerprint
         if config.has_option('GLOBAL', 'user_sftp_key_sha256'):
             fingerprint = expand_external_sources(