Added empty implementations of tc{get,set}pgrp().

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@11615 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/libroot/posix/termios.c

@@ -134,3 +134,20 @@ cfsetospeed(struct termios *termios, speed_t speed)
 	return 0;
 }
 
+
+int
+tcsetpgrp(int fd, pid_t pgrpid)
+{
+	// ToDo: Implement!
+	errno = EINVAL;
+	return -1;
+}
+
+
+pid_t
+tcgetpgrp(int fd)
+{
+	// ToDo: Implement!
+	errno = EINVAL;
+	return -1;
+}