Add limits header to ensure gcc11 compatibility

Since gcc11 some headers (including limts) are used much less in the standard library headers. See https://stackoverflow.com/questions/4798936/numeric-limits-was-not-declared-in-this-scope-no-matching-function-for-call-t
su2code · Jan 7, 2022 · 130e2dd · 130e2dd
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commit 130e2dd
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diff --git a/SU2_CFD/include/variables/CEulerVariable.hpp b/SU2_CFD/include/variables/CEulerVariable.hpp
@@ -27,6 +27,7 @@
 
 #pragma once
 
+#include <limits>
 #include "CFlowVariable.hpp"
 
 /*!

diff --git a/SU2_CFD/include/variables/CIncEulerVariable.hpp b/SU2_CFD/include/variables/CIncEulerVariable.hpp
@@ -27,6 +27,7 @@
 
 #pragma once
 
+#include <limits>
 #include "CFlowVariable.hpp"
 
 /*!
-Original file line number
+Diff line change
@@ Expand Up / @@ -27,6 +27,7 @@ @@
     #pragma once
+    #include <limits>
     #include "CFlowVariable.hpp"
     /*!
@@ Expand Down @@