fix -Wextra & -Wdeprecated in Spreadsheet

src/Mod/Spreadsheet/App/PropertyColumnWidths.cpp

@@ -44,6 +44,7 @@ PropertyColumnWidths::PropertyColumnWidths()
 }
 
 PropertyColumnWidths::PropertyColumnWidths(const PropertyColumnWidths &other)
+  : Property(), std::map<int, int>(other)
 {
     std::map<int, int>::const_iterator i = other.begin();
 

src/Mod/Spreadsheet/App/PropertyRowHeights.cpp

@@ -43,6 +43,7 @@ PropertyRowHeights::PropertyRowHeights()
 }
 
 PropertyRowHeights::PropertyRowHeights(const PropertyRowHeights &other)
+  : Property(), std::map<int, int>(other)
 {
 }
 

src/Mod/Spreadsheet/App/Sheet.cpp

@@ -873,7 +873,7 @@ short Sheet::mustExecute(void) const
   *
   */
 
-void Sheet::clear(CellAddress address, bool all)
+void Sheet::clear(CellAddress address, bool /*all*/)
 {
     Cell * cell = getCell(address);
     std::string addr = address.toString();
@@ -1286,7 +1286,7 @@ void Sheet::onRelabledDocument(const Document &document)
  * @param document
  */
 
-void Sheet::onRenamedDocument(const Document &document)
+void Sheet::onRenamedDocument(const Document & /*document*/)
 {
 }
 

src/Mod/Spreadsheet/App/SheetPyImp.cpp

@@ -154,6 +154,9 @@ PyObject* SheetPy::clear(PyObject *args)
 
 PyObject* SheetPy::clearAll(PyObject *args)
 {
+    if (!PyArg_ParseTuple(args, ""))
+        return 0;
+
     this->getSheetPtr()->clearAll();
     Py_Return;
 }
@@ -912,7 +915,7 @@ PyObject *SheetPy::getCustomAttributes(const char* attr) const
     return prop->getPyObject();
 }
 
-int SheetPy::setCustomAttributes(const char* attr, PyObject* obj)
+int SheetPy::setCustomAttributes(const char* , PyObject* )
 {
     return 0;
 }