VBoot Reference: Fix splicing bugs in Firmware and Kernel verification.

src/platform/vboot_reference/tests/firmware_image_tests.c

Index: src/platform/vboot_reference/tests/firmware_image_tests.c
diff --git a/src/platform/vboot_reference/tests/firmware_image_tests.c b/src/platform/vboot_reference/tests/firmware_image_tests.c
index 627b6349a3f2c10840cfc0e3e526d4dba16d9bea..fd19560673b40bc9c0e7977a46dfad45a85d2062 100644
--- a/src/platform/vboot_reference/tests/firmware_image_tests.c
+++ b/src/platform/vboot_reference/tests/firmware_image_tests.c
@@ -82,7 +82,8 @@ int main(int argc, char* argv[]) {
                                     1,  /* Firmware Version. */
                                     1000,  /* Firmware length. */
                                     root_key_file,
-                                    firmware_key_file);
+                                    firmware_key_file,
+                                    'F');
 
   if (!root_key_pub || !firmware_sign_key_buf || !image) {
     error_code = 1;