Massaged the configure files so that we can build under NEXTSTEP 3.3. Some kludges to prevent cpp bugs and link errors where also neccessary.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@219 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/signal.c

@@ -2,6 +2,11 @@
 
 RCSID("$Id$");
 
+/*
+ * We would like to always use this signal but there is a link error
+ * on NEXTSTEP
+ */
+#ifndef NeXT
 /*
  * Bugs:
  *
@@ -38,3 +43,4 @@ signal(int iSig, SigAction pAction)
 
     return(saOld.sa_handler);
 }
+#endif