ffi.c (ffi_struct_type): Rename FFI_TYPE_SMALL_STRUCT1 as FFI_TYPE_SMALL_STRUCT3.

	* src/pa/ffi.c (ffi_struct_type): Rename FFI_TYPE_SMALL_STRUCT1
	as FFI_TYPE_SMALL_STRUCT3.  Break out handling for 5-7 byte
	structures.  Kill compilation warnings.
	(ffi_closure_inner_LINUX): Print return values as hex in debug
	message.  Rename FFI_TYPE_SMALL_STRUCT1 as FFI_TYPE_SMALL_STRUCT3.
	Properly handle 5-7 byte structure returns.
	* src/pa/ffitarget.h (FFI_TYPE_SMALL_STRUCT1)
	(FFI_TYPE_SMALL_STRUCT2): Remove.
	(FFI_TYPE_SMALL_STRUCT3, FFI_TYPE_SMALL_STRUCT5)
	(FFI_TYPE_SMALL_STRUCT6, FFI_TYPE_SMALL_STRUCT7): Define.
	* src/pa/linux.S: Mark source file as using PA1.1 assembly.
	(checksmst1, checksmst2): Remove.
	(checksmst3): Optimize handling of 3-byte struct returns.
	(checksmst567): Properly handle 5-7 byte struct returns.

From-SVN: r101650