tdf#42949: clean up includes in include/oox/mathml with iwyu

Change-Id: Iefb4e7184009318c0b8859aa895e0b25fc9d9213
Reviewed-on: https://gerrit.libreoffice.org/24871Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

include/oox/mathml/export.hxx

@@ -9,11 +9,12 @@
 #ifndef INCLUDED_OOX_MATHML_EXPORT_HXX
 #define INCLUDED_OOX_MATHML_EXPORT_HXX
 
-#include <sax/fshelper.hxx>
-#include <rtl/strbuf.hxx>
 #include <oox/core/filterbase.hxx>
-#include <oox/export/utils.hxx>
 #include <oox/dllapi.h>
+#include <oox/export/utils.hxx>
+#include <rtl/strbuf.hxx>
+#include <rtl/textenc.h>
+#include <sax/fshelper.hxx>
 
 namespace oox
 {

include/oox/mathml/import.hxx

@@ -10,10 +10,8 @@
 #define INCLUDED_OOX_MATHML_IMPORT_HXX
 
 #include <oox/dllapi.h>
-
-#include <tools/gen.hxx>
-
 #include <rtl/ref.hxx>
+#include <tools/gen.hxx>
 
 namespace oox
 {

include/oox/mathml/importutils.hxx

@@ -9,12 +9,18 @@
 #ifndef INCLUDED_OOX_MATHML_IMPORTUTILS_HXX
 #define INCLUDED_OOX_MATHML_IMPORTUTILS_HXX
 
-#include <com/sun/star/xml/sax/XFastAttributeList.hpp>
-#include <oox/token/tokens.hxx>
 #include <map>
 #include <vector>
 
+#include <com/sun/star/uno/Reference.hxx>
 #include <oox/dllapi.h>
+#include <oox/token/tokens.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+namespace com { namespace sun { namespace star {
+    namespace xml { namespace sax { class XFastAttributeList; } }
+} } }
 
 namespace oox
 {

oox/source/mathml/importutils.cxx

@@ -11,6 +11,8 @@
 
 #include <assert.h>
 
+#include <com/sun/star/xml/FastAttribute.hpp>
+#include <com/sun/star/xml/sax/XFastAttributeList.hpp>
 #include <oox/token/namespacemap.hxx>
 #include <oox/token/tokenmap.hxx>
 #include <oox/token/tokens.hxx>