cppcheck: Prefer prefix ++/-- operators for non-primitive types

Change-Id: I34446102091ef8be72d5aec603740db531fdd14b
diff --git a/xmloff/source/draw/shapeimport.cxx b/xmloff/source/draw/shapeimport.cxx
index 4dbb85f..acca562 100644
--- a/xmloff/source/draw/shapeimport.cxx
+++ b/xmloff/source/draw/shapeimport.cxx
@@ -1052,7 +1052,7 @@ sal_Int32 XMLShapeImportHelper::findGluePointMapping(
                    return (*aShapeIdIter).first;
                }

                aShapeIdIter++;
                ++aShapeIdIter;
            }
        }
    }