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

[musl] / src / ctype / iswgraph.c

#include <wctype.h>

int iswgraph(wint_t wc)
{
        /* ISO C defines this function as: */
        return !iswspace(wc) && iswprint(wc);
}