Fix a bug that can cause servers to stick as 'syncing' for too long.

Add a sensible path to get to omFULL state when consensus is initiated by peer action.

src/ripple_app/misc/NetworkOPs.cpp

@@ -1423,6 +1423,8 @@ bool NetworkOPsImp::haveConsensusObject ()
         if (!ledgerChange)
         {
             m_journal.info << "Beginning consensus due to peer action";
+            if ( ((mMode == omCONNECTED) || (mMode == omTRACKING)) && (getPreviousProposers() >= m_ledgerMaster.getMinValidations()) )
+                setMode (omFULL);
             beginConsensus (networkClosed, m_ledgerMaster.getCurrentLedger ());
         }
     }