[krb5-auth-dialog] Don't use non-ascii character

[Guido Günther <guidog src gnome org>]

commit d935d296b0c6c36b88e55627ce675cd82e765a44
Author: Guido Günther <agx sigxcpu org>
Date:   Fri Jul 7 08:56:10 2017 +0200

    Don't use non-ascii character

 secmem/secmem.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/secmem/secmem.c b/secmem/secmem.c
index fc9ac2f..483b8e2 100644
--- a/secmem/secmem.c
+++ b/secmem/secmem.c
@@ -140,7 +140,7 @@ lock_pool( void *p, size_t n )
            && errno != EAGAIN
          #endif
          )
-           log_error("can�t lock memory: %s\n", strerror(err));
+           log_error("can't lock memory: %s\n", strerror(err));
        show_warning = 1;
     }