Revert all the #pramga(1) related patches to r6434, we need to review all the updates carefully.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6461 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Include/IndustryStandard/ElTorito.h

@@ -19,9 +19,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #ifndef _ELTORITO_H_
 #define _ELTORITO_H_
 
-//
-// CDROM_VOLUME_DESCRIPTOR.Types, defined in ISO 9660
-//
+///
+/// CDROM_VOLUME_DESCRIPTOR.Types, defined in ISO 9660
+///
 #define CDVOL_TYPE_STANDARD 0x0
 #define CDVOL_TYPE_CODED    0x1
 #define CDVOL_TYPE_END      0xFF
@@ -55,6 +55,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #define ELTORITO_HARD_DISK    0x04
 
 
+#pragma pack(1)
+
 /// 
 /// CD-ROM Volume Descriptor
 /// 
@@ -134,4 +136,6 @@ typedef union {
 
 } ELTORITO_CATALOG;
 
+#pragma pack()
+
 #endif