* configure.ac: Disable Java for targets not supporting libffi.

	* configure.ac: Disable Java for targets not supporting libffi.
	(*-*-chorusos, *-*-kaos*, am33_2.0-*-linux*, sh*-*-pe|mips*-*-pe):
	Remove cases in Java-disabling statement.
	(*arm-wince-pe): Change to arm-wince-pe.
	(arc-*-*, arm-*-coff, arm-*-pe*, arm-*-riscix*, avr-*-*): Remove
	cases in Java-disabling statement.
	(bfin-*-*): Don't disable Java again.
	(c4x-*-* | tic4x-*-*, tic54x-*-*, cr16-*-*, d10v-*-*, d30v-*-*,
	fr30-*-elf*, moxie-*-*, h8300*-*-*, h8500-*-*, hppa1.1-*-osf* |
	hppa1.1-*-bsd*, hppa*-*-*elf* | hppa*-*-lites* | hppa*-*-openbsd*,
	hppa*-*-pro*, i960-*-*, i[[3456789]]86-*-coff,
	i[[3456789]]86-*-pe, i[[3456789]]86-*-sco3.2v5*,
	i[[3456789]]86-*-sco*, i[[3456789]]86-*-sysv4*,
	i[[3456789]]86-*-beos*, i[[3456789]]86-*-rdos*,
	m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*): Remove cases in
	Java-disabling statement.
	(mmix-*-*): Don't disable Java again.
	(mt-*-*, powerpc*-*-winnt* | powerpc*-*-pe*, powerpcle-*-solaris*,
	powerpc-*-beos*, rs6000-*-lynxos*, rs6000-*-*, m68k-apollo-*,
	microblaze*, mips*-sde-elf*, mips*-*-irix5*, mips*-*-bsd*,
	sparclet-*-aout* | sparc86x-*-*, sparclite-*-*, sparc-*-sunos4*,
	tic6x-*-*, v810-*-*, vax-*-*): Remove cases in Java-disabling
	statement.
	* configure: Regenerate.