Made things compile under SunOS4 again.

Fix lots of warnings under SunOS4.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1201 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/roken.h

@@ -65,7 +65,7 @@
 #include <termios.h>
 #endif
 
-#ifdef HAVE_SYS_IOCTL_H
+#if defined(HAVE_SYS_IOCTL_H) && SunOS != 4
 #include <sys/ioctl.h>
 #endif
 
@@ -99,6 +99,10 @@ char * strlwr(char *);
 int strnlen(char*, int);
 #endif
 
+#ifndef HAVE_STRTOK_R
+char *strtok_r(char *s1, const char *s2, char **lasts);
+#endif
+
 #ifndef HAVE_STRUPR
 char * strupr(char *);
 #endif