MTP: Fix uninitialized pointer bug.

Change-Id: Ia07ebd48aeb483e66957f5a174992d200494a744
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpDatabase.cpp b/media/mtp/MtpDatabase.cpp
index 775a070..d7b21d0 100644
--- a/media/mtp/MtpDatabase.cpp
+++ b/media/mtp/MtpDatabase.cpp
@@ -122,6 +122,7 @@
 
 MtpDatabase::MtpDatabase()
     :   mFileIdQuery(NULL),
+        mFilePathQuery(NULL),
         mObjectInfoQuery(NULL),
         mFileInserter(NULL),
         mFileDeleter(NULL),