fix float_t and double_t defs on x86 when -mfpmath=sse -msse2 is used

[musl] / src / process / posix_spawnattr_getsigdefault.c

#include <spawn.h>

int posix_spawnattr_getsigdefault(const posix_spawnattr_t *attr, sigset_t *def)
{
        *def = attr->__def;
        return 0;
}