Hotfix 81399

Search indexer fail to index MM components with "custom" external URI.

Version
This hotfix concerns SDL Tridion 2011 SP1HR1.
Problem description
Search indexer fail to index MM components with "custom" external URI.
Hotfix description
Change of method FilenameWithProtocolToFilePath to GetBinaryFileName and the way it is invoked in ExtractIndexFields.
Distributed files
Fix included in Hotfix 81092
Fixes included
None
Dependencies
None