Fix bug in GetLogicalFirmwareVersion().

src/platform/vboot_reference/vfirmware/firmware_image_fw.c

Index: src/platform/vboot_reference/vfirmware/firmware_image_fw.c
diff --git a/src/platform/vboot_reference/vfirmware/firmware_image_fw.c b/src/platform/vboot_reference/vfirmware/firmware_image_fw.c
index 1cd5af9f361526fd3ea83180449b8332f6d7af56..85b4d352c508c12d39ec0805b688567dc507933f 100644
--- a/src/platform/vboot_reference/vfirmware/firmware_image_fw.c
+++ b/src/platform/vboot_reference/vfirmware/firmware_image_fw.c
@@ -230,6 +230,7 @@ uint32_t GetLogicalFirmwareVersion(uint8_t* verification_header_blob) {
   Memcpy(&firmware_version,
          verification_header_blob +  (FIELD_LEN(magic) +  /* Offset to field. */
                                       FIELD_LEN(header_len) +
+                                      FIELD_LEN(firmware_sign_algorithm) +
                                       FIELD_LEN(firmware_key_version) +
                                       firmware_sign_key_len +
                                       FIELD_LEN(header_checksum) +