Use std::min and std::max, not the misc versions.

dw/fltkplatform.cc

@@ -118,7 +118,7 @@ FltkFont::FltkFont (core::style::FontAttrs *attrs)
    fl_font(font, size);
    // WORKAROUND: A bug with fl_width(uint_t) on non-xft X was present in
    // 1.3.0 (STR #2688).
-   spaceWidth = misc::max(0, (int)fl_width(" ") + letterSpacing);
+   spaceWidth = std::max(0, (int)fl_width(" ") + letterSpacing);
    int xx, xy, xw, xh;
    fl_text_extents("x", xx, xy, xw, xh);
    xHeight = xh;