rollback_index: add newline to VB2_DEBUG call

BUG=None
TEST=None

Change-Id: I789caf6fd4410820b9a0c9ef4ed39ad4f4568737
Reviewed-on: https://chromium-review.googlesource.com/1354144
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Joel Kitching <kitching@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
diff --git a/firmware/lib/rollback_index.c b/firmware/lib/rollback_index.c
index 289c0d7..f52c8b5 100644
--- a/firmware/lib/rollback_index.c
+++ b/firmware/lib/rollback_index.c
@@ -147,7 +147,7 @@
 {
 	RollbackSpaceFirmware rsf;
 
-	VB2_DEBUG("TPM: Entering");
+	VB2_DEBUG("TPM: Entering\n");
 	if (TPM_SUCCESS != ReadSpaceFirmware(&rsf))
 		return VBERROR_TPM_FIRMWARE_SETUP;