'var' inside foreach not highlighted

[jtzeng]

Environment data

dotnet --info output:
.NET Command Line Tools (1.0.0-preview2-003133)

Product Information:
Version: 1.0.0-preview2-003133
Commit SHA-1 hash: 74df06500c

Runtime Environment:
OS Name: Windows
OS Version: 10.0.10586
OS Platform: Windows
RID: win10-x64

VS Code version: 1.6.0
C# Extension version: 1.4.1

Steps to reproduce

Write a foreach loop anywhere, e.g.
foreach (var s in myList) { ... }

Expected behavior

'var' should be colored, like it is when you write something like
foreach (string s in myList) { ... }

Actual behavior

It isn't, and appears as white.

[DustinCampbell]

This should look much better in the next release: