[gparted] Enhance erase_filesytem_signatures() for sector sizes > 512 bytes

[Curtis Gedak <gedakc src gnome org>]

commit e786bfa598fb1882a2edc93d0e56a594c146a9d2
Author: Curtis Gedak <gedakc gmail com>
Date:   Fri Mar 5 13:56:56 2010 -0700

    Enhance erase_filesytem_signatures() for sector sizes > 512 bytes

 src/GParted_Core.cc |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/GParted_Core.cc b/src/GParted_Core.cc
index 4c584ee..0133692 100644
--- a/src/GParted_Core.cc
+++ b/src/GParted_Core.cc
@@ -2646,8 +2646,8 @@ bool GParted_Core::erase_filesystem_signatures( const Partition & partition )
 			//file systems not yet supported by libparted
 			if ( ped_device_open( lp_device ) )
 			{
-				//reiser4 stores "ReIsEr4" at sector 128
-				return_value = ped_geometry_write( & lp_partition ->geom, "0000000", 128, 1 ) ;
+				//reiser4 stores "ReIsEr4" at sector 128 with a sector size of 512 bytes
+				return_value = ped_geometry_write( & lp_partition ->geom, "0000000", (65536 / lp_device ->sector_size), 1 ) ;
 
 				ped_device_close( lp_device ) ;
 			}