i386: Add Linux/x86-64 support to export-class.exp

Add Linux/x86-64 support to export-class.exp by passing --32 to assembler
and passing  -melf_i386 to linker.

	* testsuite/ld-i386/export-class.exp: Run for Linux/x86-64.
	Pass --32 to assembler.  Pass -melf_i386 to linker.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
1 file changed