* alloca_cutoff.c: Correct license text.

	* tst-unload.c: Likewise.
	* sysdeps/pthread/allocalim.h: Likewise.
	* sysdeps/pthread/pt-initfini.c: Likewise.
	* sysdeps/pthread/bits/libc-lock.h: Likewise.
	* sysdeps/pthread/bits/sigthread.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/local_lim.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.