HFSPlus alignment fix

Below is a patch against 2.4.24 that fixes an alignment issue in the HFS+ filesystem.

The fix originates from Daniel Hazelbaker <cabal95 (at) users.sourceforge.net>.

cheers,
bern.

@@ -14,6 +14,7 @@
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 #include <linux/buffer_head.h>
 #endif
+#include <asm/unaligned.h>
  
 #include "hfsplus_fs.h"
 #include "hfsplus_raw.h"

@@ -45,7 +46,7 @@
                return 0;
        wd->ablk_start = be16_to_cpu(*(u16 *)(bufptr +

HFSP_WRAPOFF_ABLKSTART));
- extent = be32_to_cpu(*(u32 *)(bufptr + HFSP_WRAPOFF_EMBEDEXT));
+ extent = be32_to_cpu(get_unaligned((u32 *)(bufptr +

HFSP_WRAPOFF_EMBEDEXT)));
        wd->embed_start = (extent >> 16) & 0xFFFF;
        wd->embed_count = extent & 0xFFFF;