try to fix segfault on webtv channel - neutrino shutdown

Origin commit data
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Commit: b22625aa36
Author: Jacek Jendrzej <overx300@gmail.com>
Date: 2014-11-13 (Thu, 13 Nov 2014)

Origin message was:
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-try to fix segfault on webtv channel - neutrino shutdown

src/driver/record.cpp

@@ -809,6 +809,9 @@ CRecordManager::~CRecordManager()
 	}
 	nextmap.clear();
 	durations.clear();
+	sm.lock();
+	manager = NULL;
+	sm.unlock();
 }
 
 CRecordManager * CRecordManager::getInstance()