Coverity: Initialize member variables.

CID=9269,13399,14520
BUG=none
TEST=none

R=vandebo@chromium.org

Review URL: http://codereview.chromium.org/7216031

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@89966 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 827161c62c42d7c77bc8d36c3af245e16417991c
diff --git a/base/dir_reader_linux.h b/base/dir_reader_linux.h
index 2b83334..4187b4e 100644
--- a/base/dir_reader_linux.h
+++ b/base/dir_reader_linux.h
@@ -33,6 +33,7 @@
       : fd_(open(directory_path, O_RDONLY | O_DIRECTORY)),
         offset_(0),
         size_(0) {
+    memset(buf_, 0, sizeof(buf_));
   }
 
   ~DirReaderLinux() {