Add Even Stensberg to .mailmap

Change-Id: I8d5cd73d6b344f1d9fa4a3527bd88f3d6b3a9aec
diff --git a/.mailmap b/.mailmap
index 8154169..fd187c2 100644
--- a/.mailmap
+++ b/.mailmap
@@ -1 +1,2 @@
-Shawn Pearce <[email protected]> Shawn O. Pearce <[email protected]>
+Even Stensberg <[email protected]> ev1stensberg <[email protected]>
+Shawn Pearce <[email protected]>            Shawn O. Pearce <[email protected]>