OF-73: simplier database check which does not fail if the ofID

       table does not exist. Allows OF < 3.6 to be upgraded.


git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@11355 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/XMPPServer.java

@@ -705,7 +705,7 @@ public class XMPPServer {
         java.sql.Connection conn = null;
         try {
             conn = DbConnectionManager.getConnection();
-            PreparedStatement stmt = conn.prepareStatement("SELECT count(*) FROM ofID");
+            PreparedStatement stmt = conn.prepareStatement("SELECT 1");
             ResultSet rs = stmt.executeQuery();
             rs.next();
             rs.close();