Fix bug arising from C operator precedence thinko.

Author: pmichaud

src/ops/nqp.ops

@@ -1323,7 +1323,7 @@ inline op nqp_radix(out PMC, in INT, in STR, in INT, in INT) :base_core {
         zvalue = zvalue * radix + ch;
         zbase = zbase * radix;
         zpos++; pos = zpos;
-        if (ch != 0 || (flags & 0x04 == 0)) { value=zvalue; base=zbase; }
+        if (ch != 0 || !(flags & 0x04)) { value=zvalue; base=zbase; }
         if (zpos >= chars) break;
         ch = STRING_ord(interp, str, zpos);
         if (ch != '_') continue;