Add jsfunfuzz to gitignore file.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/10918273

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12532 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

.gitignore

@@ -32,6 +32,8 @@ shell_g
 /test/sputnik/sputniktests
 /test/test262/data
 /third_party
+/tools/jsfunfuzz
+/tools/jsfunfuzz.zip
 /tools/oom_dump/oom_dump
 /tools/oom_dump/oom_dump.o
 /tools/visual_studio/Debug