include more headers in IpoptCQ header

- the forward declarations seem to be not always sufficient
- closes coin-or#572

ChangeLog.md

@@ -13,6 +13,8 @@ More detailed information about incremental changes can be found in the
   from TNLP to Ipopts internal NLP [#570, by Daniel Dias].
 - Fixed that MC68 ordering time was not accounted in symbolic factorization
   time of HSL MA86 [#571].
+- Include more header files in IpIpoptCalculatedQuantities.hpp for setups
+  where forward declarations are not sufficients [#572].
 
 ### 3.14.5 (2022-02-09)
 

src/Algorithm/IpIpoptCalculatedQuantities.hpp

@@ -9,19 +9,17 @@
 
 #include "IpSmartPtr.hpp"
 #include "IpCachedResults.hpp"
+#include "IpIpoptData.hpp"
+#include "IpSymMatrix.hpp"
+#include "IpRegOptions.hpp"
 
 #include <string>
 
 namespace Ipopt
 {
 class IpoptNLP;
-class IpoptData;
-class Vector;
-class Matrix;
-class SymMatrix;
 class Journalist;
 class OptionsList;
-class RegisteredOptions;
 
 /** Norm types */
 enum ENormType