Fix iOS build

lib/networkPacks/SaveLocalState.h

@@ -13,6 +13,8 @@
 
 #include "../json/JsonNode.h"
 
+VCMI_LIB_NAMESPACE_BEGIN
+
 struct DLL_LINKAGE SaveLocalState : public CPackForServer
 {
 	JsonNode data;
@@ -25,3 +27,5 @@ struct DLL_LINKAGE SaveLocalState : public CPackForServer
 		h & data;
 	}
 };
+
+VCMI_LIB_NAMESPACE_END