* src/powerpc/ffi.c (ffi_prep_args_SYSV): Move var declaration
	before statements.
	(ffi_prep_args64): Support little-endian.
	(ffi_closure_helper_SYSV, ffi_closure_helper_LINUX64): Likewise.
	* src/powerpc/linux64_closure.S (ffi_closure_LINUX64): Likewise.
	* src/powerpc/ppc_closure.S (ffi_closure_SYSV): Likewise.

From-SVN: r200383