[hackers] [slock] Clarify config.def.h || FRIGN

[git]

commit bdcbeab0d8ac0963c61ae1d9d1ed57d3effb8ec3
Author:     FRIGN <d...@frign.de>
AuthorDate: Sun Feb 14 01:32:02 2016 +0100
Commit:     FRIGN <d...@frign.de>
CommitDate: Sun Feb 14 01:33:18 2016 +0100

    Clarify config.def.h
    
    Clear up the wording a bit and explain what failonclear means.

diff --git a/config.def.h b/config.def.h
index fca0ae0..eae2d9a 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,6 +1,8 @@
 static const char *colorname[NUMCOLS] = {
        "black",     /* after initialization */
        "#005577",   /* during input */
-       "#CC3333",   /* failed/cleared the input */
+       "#CC3333",   /* wrong password */
 };
-static const Bool failonclear = True;
+
+/* treat a cleared input like a wrong password */
+static const int failonclear = 1;