loplugin:casttovoid: accessibility

Change-Id: I397c1c51c166d57917d2a412ec8f59c8a24936f2

accessibility/source/extended/AccessibleGridControlHeader.cxx

@@ -159,9 +159,8 @@ sal_Bool SAL_CALL AccessibleGridControlHeader::isAccessibleRowSelected( sal_Int3
     return false;
 }
 //columns aren't selectable
-sal_Bool SAL_CALL AccessibleGridControlHeader::isAccessibleColumnSelected( sal_Int32 nColumn )
+sal_Bool SAL_CALL AccessibleGridControlHeader::isAccessibleColumnSelected( sal_Int32 )
 {
-    (void)nColumn;
     return false;
 }
 //not implemented

accessibility/source/extended/AccessibleGridControlTable.cxx

@@ -184,9 +184,8 @@ sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleRowSelected( sal_Int32
 }
 
 //columns aren't selectable
-sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleColumnSelected( sal_Int32 nColumn )
+sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleColumnSelected( sal_Int32 )
 {
-    (void) nColumn;
     return false;
 }
 
@@ -220,7 +219,6 @@ sal_Bool SAL_CALL AccessibleGridControlTable::isAccessibleSelected(
 
     ensureIsAlive();
     ensureIsValidAddress( nRow, nColumn );
-    (void) nColumn;
     //selection of single cells not possible, so if row is selected, the cell will be selected too
     return isAccessibleRowSelected(nRow);
 }
@@ -282,12 +280,11 @@ AccessibleGridControlTable::getSelectedAccessibleChild( sal_Int32 nSelectedChild
 }
 //not implemented yet, because only row selection possible
 void SAL_CALL AccessibleGridControlTable::deselectAccessibleChild(
-        sal_Int32 nSelectedChildIndex )
+        sal_Int32 )
 {
     SolarMutexGuard aSolarGuard;
 
     ensureIsAlive();
-    (void)nSelectedChildIndex;
 }
 // XInterface -----------------------------------------------------------------
 

accessibility/source/extended/accessibleeditbrowseboxcell.cxx

@@ -226,9 +226,8 @@ namespace accessibility
             {
                 xMyContext->dispose();
             }
-            catch( const Exception& e )
+            catch( const Exception& )
             {
-                (void)e;
                 OSL_FAIL( "EditBrowseBoxTableCellAccess::disposing: caught an exception while disposing the context!" );
             }
         }