[testcase] Fix absfloat16.c testcase

[Kugan Vivekanandarajah]

Hi,

This patch Fixes absfloat16.c testcase to have the dg-add-options float16 at 
the correct order. Due to this mixup, this test is failing for some arm 
variants.

Is this OK for trunk?

Thanks,
Kugan

0001-Fix-absfloat16.c-testcase.patch
Description: 0001-Fix-absfloat16.c-testcase.patch