Merge pull request #361 from gydong/master

fix the display of gflag default values of builtin

src/brpc/builtin/flags_service.cpp

@@ -89,7 +89,7 @@ static void PrintFlag(std::ostream& os, const GFLAGS_NS::CommandLineFlagInfo& fl
         if (flag.default_value != flag.current_value) {
             os << " (default:" << (use_html ?
                                    HtmlReplace(flag.default_value) :
-                                   flag.current_value) << ')';
+                                   flag.default_value) << ')';
         }
         if (use_html) {
             os << "</span>";