File numeric-limits.patch of Package openclonk

diff -Nur openclonk-release-8.1-src/src/C4Include.h openclonk-release-8.1-src-patched/src/C4Include.h
--- openclonk-release-8.1-src/src/C4Include.h	2018-03-16 18:25:33.000000000 +0100
+++ openclonk-release-8.1-src-patched/src/C4Include.h	2022-02-13 20:32:59.475516012 +0100
@@ -51,6 +51,7 @@
 #include <cstring>
 #include <ctime>
 #include <iostream>
+#include <limits>
 #include <list>
 #include <map>
 #include <memory>