scripted-diff: Replace CCriticalSection with RecursiveMutex

-BEGIN VERIFY SCRIPT-
 # Delete outdated alias for RecursiveMutex
 sed -i -e '/CCriticalSection/d'                 ./src/sync.h
 # Replace use of outdated alias with RecursiveMutex
 sed -i -e 's/CCriticalSection/RecursiveMutex/g' $(git grep -l CCriticalSection)
-END VERIFY SCRIPT-

src/test/denialofservice_tests.cpp

@@ -51,7 +51,7 @@ struct COrphanTx {
     NodeId fromPeer;
     int64_t nTimeExpire;
 };
-extern CCriticalSection g_cs_orphans;
+extern RecursiveMutex g_cs_orphans;
 extern std::map<uint256, COrphanTx> mapOrphanTransactions GUARDED_BY(g_cs_orphans);
 
 static CService ip(uint32_t i)