Fix bug in CBFS file walking with compressed files.

The file walking code was incorrectly using the uncompressed file size
when searching for the next file.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
diff --git a/src/coreboot.c b/src/coreboot.c
index 7f7b322..983a2b5 100644
--- a/src/coreboot.c
+++ b/src/coreboot.c
@@ -407,7 +407,7 @@
         }
         romfile_add(&cfile->file);
 
-        fhdr = (void*)ALIGN((u32)cfile->data + cfile->file.size
+        fhdr = (void*)ALIGN((u32)cfile->data + cfile->rawsize
                             , be32_to_cpu(hdr->align));
     }
 }