Fix IWYU (#82370)

ehughsbaird · web-flow · commit 0a8ce52ca075 · 2025-08-10T14:05:39.000-07:00
diff --git a/src/mod_manager.cpp b/src/mod_manager.cpp
@@ -7,6 +7,7 @@
 #include <memory>
 #include <ostream>
 #include <queue>
+#include <stdexcept>
 
 #include "assign.h"
 #include "cata_utility.h"
