use PACKED macro insted of open-coding GCC-ism

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/util-linux/volume_id/ntfs.c b/util-linux/volume_id/ntfs.c
index 6e8f1dd3d..3b3e97347 100644
--- a/util-linux/volume_id/ntfs.c
+++ b/util-linux/volume_id/ntfs.c
@@ -45,7 +45,7 @@ struct ntfs_super_block {
         uint8_t         reserved2[3];
         uint8_t         volume_serial[8];
         uint16_t        checksum;
-} __attribute__((__packed__));
+} PACKED;
 
 struct master_file_table_record {
         uint8_t         magic[4];
@@ -58,7 +58,7 @@ struct master_file_table_record {
         uint16_t        flags;
         uint32_t        bytes_in_use;
         uint32_t        bytes_allocated;
-} __attribute__((__packed__));
+} PACKED;
 
 struct file_attribute {
         uint32_t        type;
@@ -70,13 +70,13 @@ struct file_attribute {
         uint16_t        instance;
         uint32_t        value_len;
         uint16_t        value_offset;
-} __attribute__((__packed__));
+} PACKED;
 
 struct volume_info {
         uint64_t        reserved;
         uint8_t         major_ver;
         uint8_t         minor_ver;
-} __attribute__((__packed__));
+} PACKED;
 
 #define MFT_RECORD_VOLUME                       3
 #define MFT_RECORD_ATTR_VOLUME_NAME             0x60