add option to daemonize fiche

fiche.h

@@ -9,11 +9,13 @@ Live example: http://code.solusipse.net/
 
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-usage: fiche [-epbsdolBuw].
-             [-e] [-d domain] [-p port] [-s slug size]
+usage: fiche [-DepbsdolBuw].
+             [-D] [-e] [-d domain] [-p port] [-s slug size]
              [-o output directory] [-B buffer size] [-u user name]
              [-l log file] [-b banlist] [-w whitelist]
 
+-D option is for daemonizing fiche
+
 -e option is for using an extended character set for the URL
 
 Compile with Makefile or manually with -O2 and -pthread flags.
@@ -51,6 +53,7 @@ char *BANLIST;
 char *BANFILE;
 char *WHITEFILE;
 char *WHITELIST;
+int DAEMON = 0;
 int PORT = 9999;
 int SLUG_SIZE = 4;
 int BUFSIZE = 32768;