modeline: Fix an error about matching non-strings

* modeline.el (modeline-length): I was matching a variable whose can
  be nil. Check if it is a string before matching solves the potential
  problem.

Also remove two files that need not be under version-control.

1 files changed, 4 insertions, 2 deletions

diff --git a/modeline.el b/modeline.el
index cb06b0d..91b5b17 100644
--- a/modeline.el
+++ b/modeline.el
@@ -91,8 +91,10 @@ Characters that take up more than one column will be counted with
             (let ((name (get-char-code-property char 'name))
                   (decomposition (get-char-code-property char 'decomposition)))
               (cond
-               ((or (string-match (rx-to-string '(seq bos "CJK"))
-                                  name)
+               ((or (and
+                     (stringp name)
+                     (string-match (rx-to-string '(seq bos "CJK"))
+                                   name))
                     (eq (car decomposition) 'wide))
                 (setq len (+ len 1.7)))
                ((setq len (1+ len))))))