make sure to update unallocated space after changing the alignment type. also,

update partition widget after changing the alignment type since now the
unallocated space might have changed.

svn path=/trunk/extragear/sysadmin/partitionmanager/; revision=1127793

TODO

@@ -9,9 +9,6 @@ Bugs to fix for 1.1:
   if the new one is not legal. i.e., we must constantly update the valid ranges
   of the spin boxes if any value changes.
 
-* sector alignment in extended partitions seems to be broken or at least uses
-  some cylinder alignment logic (offset of 63)
-
 ===============================================================================
 
 For releases after 1.1:

src/core/partitiontable.cpp

@@ -462,6 +462,8 @@ void PartitionTable::setType(const Device& d, TableType t)
 	setLastUsableSector(defaultLastUsable(d, t));
 
 	m_Type = t;
+
+	updateUnallocated(d);
 }
 
 static bool isPartitionLessThan(const Partition* p1, const Partition* p2)

src/gui/mainwindow.cpp

@@ -992,6 +992,7 @@ void MainWindow::onPropertiesDevice(const QString&)
 				d.partitionTable()->setType(d, PartitionTable::msdos);
 
 			on_m_OperationStack_devicesChanged();
+			pmWidget().updatePartitions();
 		}
 
 		delete dlg;