gpt: make an internal function "const"-correct

* libparted/labels/gpt.c (_parse_header): Make "gpt" const.

diff --git a/libparted/labels/gpt.c b/libparted/labels/gpt.c
index b17ae53..1bc7727 100644 (file)
--- a/libparted/labels/gpt.c
+++ b/libparted/labels/gpt.c
@@ -637,7 +637,7 @@ _header_is_valid (const PedDevice *dev, GuidPartitionTableHeader_t *gpt,
 }
 
 static int
-_parse_header (PedDisk *disk, GuidPartitionTableHeader_t *gpt,
+_parse_header (PedDisk *disk, const GuidPartitionTableHeader_t *gpt,
                int *update_needed)
 {
   GPTDiskData *gpt_disk_data = disk->disk_specific;