InputCommon/FunctionExpression: include <algorithm>

std::min/std::max are used within this translation unit, so it needs to
be included to prevent potential compilation failures.

Source/Core/InputCommon/ControlReference/FunctionExpression.cpp

@@ -2,11 +2,12 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include "InputCommon/ControlReference/FunctionExpression.h"
+
+#include <algorithm>
 #include <chrono>
 #include <cmath>
 
-#include "InputCommon/ControlReference/FunctionExpression.h"
-
 namespace ciface
 {
 namespace ExpressionParser