[476901] Oomph creates duplicate build servers

https://bugs.eclipse.org/bugs/show_bug.cgi?id=476901
diff --git a/plugins/org.eclipse.oomph.setup.mylyn/src/org/eclipse/oomph/setup/mylyn/impl/MylynQueriesTaskImpl.java b/plugins/org.eclipse.oomph.setup.mylyn/src/org/eclipse/oomph/setup/mylyn/impl/MylynQueriesTaskImpl.java
index 9907fba..8dfb337 100644
--- a/plugins/org.eclipse.oomph.setup.mylyn/src/org/eclipse/oomph/setup/mylyn/impl/MylynQueriesTaskImpl.java
+++ b/plugins/org.eclipse.oomph.setup.mylyn/src/org/eclipse/oomph/setup/mylyn/impl/MylynQueriesTaskImpl.java
@@ -11,6 +11,7 @@
  */
 package org.eclipse.oomph.setup.mylyn.impl;
 
+import org.eclipse.oomph.preferences.util.PreferencesUtil;
 import org.eclipse.oomph.setup.SetupTaskContext;
 import org.eclipse.oomph.setup.impl.SetupTaskImpl;
 import org.eclipse.oomph.setup.mylyn.MylynPackage;
@@ -512,7 +513,7 @@
     String userID = getUserID();
     if (isAuthenticate())
     {
-      AuthenticationCredentials credentials = new AuthenticationCredentials(userID, password);
+      AuthenticationCredentials credentials = new AuthenticationCredentials(userID, PreferencesUtil.decrypt(getPassword()));
       repository.setCredentials(AuthenticationType.REPOSITORY, credentials, true);
     }