Quick fix to atomic_store_voidptr() to enable build of fresh clone
Ported from 1.5.x:
8dec4ad62323659e54ec9d3ea76d6df26be36119

Signed-off-by: Rick Mesta <rmesta@us.ibm.com>
Ported from 1.5.x:
18eaf9df2a2588a499553798cc5d6fdd4cd23845

Signed-off-by: Rick Mesta <rmesta@us.ibm.com>
Ported from 1.5.X
970b58d49d4674148806f25e8bc8a85ac8c788dc

Signed-off-by: Rick Mesta <rmesta@us.ibm.com>
Ported from 1.5.X
66138a1f709c47629018567e38820fbb165ceec8

Signed-off-by: Rick Mesta <rmesta@us.ibm.com>
Ported from 1.5.x:
36bf702dfbe7ab7b5506b9e2a2774ac3454eca72

Signed-off-by: Rick Mesta <rmesta@us.ibm.com>