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

[musl] / src / process / posix_spawnattr_getpgroup.c

#include <spawn.h>

int posix_spawnattr_getpgroup(const posix_spawnattr_t *attr, pid_t *pgrp)
{
        *pgrp = attr->__pgrp;
        return 0;
}