Merge pull request #5637 from ab9rf/labor_kitchen_interface_food_key

add missing namespace

Author: ab9rf

library/include/df/custom/hash/labor_kitchen_interface_food_key.h

@@ -1,5 +1,5 @@
 template<>
-struct std::hash<labor_kitchen_interface_food_key> {
+struct std::hash<> {
     auto operator()(const labor_kitchen_interface_food_key &a) const -> size_t {
         struct thing {
             int16_t t;

library/include/df/custom/labor_kitchen_interface_food_key.methods.inc

@@ -1,11 +1,11 @@
-    bool operator<(const labor_kitchen_interface_food_key &b) const {
+    bool operator<(const df::labor_kitchen_interface_food_key &b) const {
         if (type<b.type) return true;
         if (subtype<b.subtype) return true;
         if (mat<b.mat) return true;
         if (matg<b.matg) return true;
         return false;
         }
 
-    bool operator==(const labor_kitchen_interface_food_key &b) const {
+    bool operator==(const df::labor_kitchen_interface_food_key &b) const {
         return type==b.type&&subtype==b.subtype&&mat==b.mat&&matg==b.matg;
         }