fdo#75757: remove inheritance to std::vector

Change-Id: I1874b5b4a059ef5fc8818b3b49ff10f2917b20ca
Reviewed-on: https://gerrit.libreoffice.org/11135Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

sw/source/core/doc/docsort.cxx

@@ -948,8 +948,8 @@ const SfxItemSet* FlatFndBox::GetItemSet(sal_uInt16 n_Col, sal_uInt16 n_Row) con
 
 sal_uInt16 SwMovedBoxes::GetPos(const SwTableBox* pTableBox) const
 {
-    const_iterator it = std::find(begin(), end(), pTableBox);
-    return it == end() ? USHRT_MAX : it - begin();
+    std::vector<const SwTableBox*>::const_iterator it = std::find(mBoxes.begin(), mBoxes.end(), pTableBox);
+    return it == mBoxes.end() ? USHRT_MAX : it - mBoxes.begin();
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/core/inc/docsort.hxx

@@ -44,9 +44,14 @@ namespace com {
     }
 }
 
-class SwMovedBoxes : public std::vector<const SwTableBox*>
+class SwMovedBoxes
 {
+private:
+    std::vector<const SwTableBox*> mBoxes;
+
 public:
+    void push_back(const SwTableBox* &rpTableBox) {mBoxes.push_back(rpTableBox);}
+
     sal_uInt16 GetPos(const SwTableBox* pTableBox) const;
 };