[nongnu] elpa/rust-mode f3e8f20 119/486: Re-enable emacs23 in Travis

[ELPA Syncer]

branch: elpa/rust-mode
commit f3e8f2029e02d635eb49ee03d03ff4c67516a1d8
Author: Micah Chalmer <mi...@micahchalmer.net>
Commit: Micah Chalmer <mi...@micahchalmer.net>

    Re-enable emacs23 in Travis
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 63221ed..04231a7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: generic
 
 env:
   matrix:
+    - EMACS=emacs23
     - EMACS=emacs24
     - EMACS=emacs-snapshot