stop including irrelevant header; include right ones instead

Change-Id: I461bbd4b9a39e449a66fcaf84fe1d82c969c3e26
Reviewed-on: https://gerrit.libreoffice.org/15061Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

starmath/source/ooxmlimport.cxx

@@ -9,10 +9,12 @@
 
 
 #include "ooxmlimport.hxx"
+#include "types.hxx"
 
 #include <oox/token/tokens.hxx>
 #include <oox/token/namespaces.hxx>
 #include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
 
 using namespace oox;
 using namespace oox::formulaimport;

starmath/source/ooxmlimport.hxx

@@ -12,8 +12,6 @@
 
 #include <oox/mathml/importutils.hxx>
 
-#include "node.hxx"
-
 /**
  Class implementing reading of formulas from OOXML. The toplevel element is expected
  to be oMath (handle oMathPara outside of this code).