caught_sighup has no real purpose, get rid of it

git-svn-id: svn://katsu.triplehelix.org/dgamelaunch/trunk@36 db0b04b0-f4d1-0310-9a6d-de3e77497b0e

dgamelaunch.c

@@ -72,7 +72,6 @@ extern struct winsize win;
 
 /* global variables */
 
-int caught_sighup = 0;
 int pid_game = 0;
 int loggedin = 0;
 char rcfilename[80];
@@ -135,7 +134,6 @@ gen_inprogress_lock ()
 void
 catch_sighup (int signum)
 {
-  caught_sighup = 1;
   if (pid_game)
     {
       sleep (10);

ttyplay.c

@@ -52,7 +52,6 @@ extern int loggedin;
 
 int ttyplay_main (char *ttyfile, int mode, int rstripgfx);
 
-extern int caught_sighup;
 off_t seek_offset_clrscr;
 int bstripgfx;
 char *ttyfile_local;

ttyrec.c

@@ -74,7 +74,6 @@
 #define CDEL _POSIX_VDISABLE
 
 extern char ttyrec_filename[100];
-extern int caught_sighup;
 extern int pid_game;
 
 void done (void);