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/frontend/StarClientCommandProcessor.cpp b/source/frontend/StarClientCommandProcessor.cpp
index 535403d..bf9a434 100644
--- a/source/frontend/StarClientCommandProcessor.cpp
+++ b/source/frontend/StarClientCommandProcessor.cpp
@@ -332,7 +332,7 @@ String ClientCommandProcessor::giveEssentialItem(StringList const& arguments) {
     auto slot = EssentialItemNames.getLeft(arguments.at(1));
     m_universeClient->mainPlayer()->inventory()->setEssentialItem(slot, item);
     return strf("Put %s in player slot %s", item->name(), arguments.at(1));
-  } catch (MapException e) {
+  } catch (MapException const& e) {
     return strf("Invalid essential item slot %s.", arguments.at(1));
   }
 }