Patch by Robert Scheck <robert@fedoraproject.org> for zarafa >= 7.0.0, which solves the make failure
"error: 'string' was not declared in this scope" on Fedora 16 (Rawhide) using GCC 4.6.0.

--- zarafa-7.0.0/ECtools/zarafa-indexer/ECSearcherRequest.cpp		2011-06-10 03:37:37.000000000 +0200
+++ zarafa-7.0.0/ECtools/zarafa-indexer/ECSearcherRequest.cpp.cpp_std	2011-06-26 19:42:15.000000000 +0200
@@ -153,7 +153,7 @@
 	}
 
 	while (!m_lpThreadData->bShutdown) {
-		string strLine;
+		std::string strLine;
 		command_t ulCommand;
 		std::vector<std::string> listArgs;
 		std::string strResponse;