resolved most of the compiler warnings/errors under gcc

also update xxhash and tinyformat

1 files changed, 1 insertions, 1 deletions

diff --git a/source/core/StarLuaConverters.cpp b/source/core/StarLuaConverters.cpp
index e09876a..9cd44e3 100644
--- a/source/core/StarLuaConverters.cpp
+++ b/source/core/StarLuaConverters.cpp
@@ -33,7 +33,7 @@ Maybe<Color> LuaConverter<Color>::to(LuaEngine& engine, LuaValue const& v) {
   } else if (auto s = v.ptr<LuaString>()) {
     try {
       return Color(s->ptr());
-    } catch (ColorException) {}
+    } catch (ColorException const&) {}
   }
 
   return {};