update_oai-pmh fix output when retrying ListIdentifiers request

scripts/update_oai-pmh.rb

@@ -123,8 +123,8 @@ def list_identifiers(url)
             # insert a new-line.  As a quick hack, use the presence of
             # resumptionToken in the URL to indicate a newline is needed (this
             # works most of the time, but not always)
-            if url.include?('resumptionToken=')
-                print '\n'
+            if url.include?('resumptionToken=') && attempts == 1
+                print "\n"
             end
             print "    Attempt #{attempts} of #{MAX_HTTP_GET_RETRIES} failed: #{e.message}\n"
             sleep(5);