diff -urpN --exclude-from=/home/davej/.exclude bk-linus/fs/partitions/efi.h linux-2.5/fs/partitions/efi.h
--- bk-linus/fs/partitions/efi.h 2003-07-17 23:23:36.000000000 +0100
+++ linux-2.5/fs/partitions/efi.h 2003-07-17 23:45:00.000000000 +0100
@@ -39,7 +39,7 @@
#define EFI_PMBR_OSTYPE_EFI_GPT 0xEE
#define GPT_BLOCK_SIZE 512
-#define GPT_HEADER_SIGNATURE 0x5452415020494645L
+#define GPT_HEADER_SIGNATURE 0x5452415020494645ULL
#define GPT_HEADER_REVISION_V1 0x00010000
#define GPT_PRIMARY_PARTITION_TABLE_LBA 1