[gparted] Ensure space available for GPT backup partition table on paste

[Curtis Gedak <gedakc src gnome org>]

commit ebdb9466e0403275e0c12997a60f4872e8a37b2a
Author: Curtis Gedak <gedakc gmail com>
Date:   Thu May 20 15:12:14 2010 -0600

    Ensure space available for GPT backup partition table on paste

 src/Win_GParted.cc |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/src/Win_GParted.cc b/src/Win_GParted.cc
index fb4eb06..3156882 100644
--- a/src/Win_GParted.cc
+++ b/src/Win_GParted.cc
@@ -889,6 +889,14 @@ void Win_GParted::set_valid_operations()
 			   )
 				required_size += MEBIBYTE;
 
+			//Determine if space is needed for the backup partition on a GPT partition table
+			if (   ( devices[ current_device ] .disktype == "gpt" )
+			    && ( ( devices[ current_device ] .length - selected_partition .sector_end )
+			         < ( MEBIBYTE / devices[ current_device ] .sector_size )
+			       )
+			   )
+				required_size += MEBIBYTE ;
+
 			if ( required_size <= selected_partition .get_byte_length() )
 				allow_paste( true ) ;
 		}