tests: Adding unit tests for the findType method of IoUtil

Change-Id: Id70a9df23667bc2f1ef4500b9cca88d2f0bd9aab
diff --git a/src/torrent-manager.cpp b/src/torrent-manager.cpp
index cb90908..c6780e2 100644
--- a/src/torrent-manager.cpp
+++ b/src/torrent-manager.cpp
@@ -77,7 +77,6 @@
   auto manifest_it =  manifests.begin();
   std::vector<FileManifest> output;
   output.reserve(manifests.size());
-  auto validIvalidInitialManifestNames_it = validInitialManifestNames.begin();
 
   for (auto& initialName : validInitialManifestNames) {
     // starting from the initial segment
@@ -756,4 +755,4 @@
 }
 
 }  // end ntorrent
-}  // end ndn
\ No newline at end of file
+}  // end ndn