VisualStudio ignore project.fragment.lock.json

I've just upgraded to ASP.NET Core RC2, and I've found that Visual Studio is producing a file called project.fragment.lock.json. When I delete the file it is recreated during build. Given project.lock.json is already ignored this looks like another file to ignore.
2016-05-23 11:49:24 +01:00 · 2016-05-23 11:49:24 +01:00 · be2df771ba
commit be2df771ba
parent 8f35779cef
1 changed files with 1 additions and 0 deletions
--- a/VisualStudio.gitignore
+++ b/VisualStudio.gitignore
@ -42,6 +42,7 @@ dlldata.c

 # DNX
 project.lock.json
+project.fragment.lock.json
 artifacts/

 *_i.c