updated for version 7.1-155
diff --git a/src/undo.c b/src/undo.c
index a11f360..626529a 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -1678,6 +1678,14 @@
{
u_header_T *tofree, *next;
+ /* If this is the top branch we may need to use u_freeheader() to update
+ * all the pointers. */
+ if (uhp == buf->b_u_oldhead)
+ {
+ u_freeheader(buf, uhp, uhpp);
+ return;
+ }
+
if (uhp->uh_alt_prev != NULL)
uhp->uh_alt_prev->uh_alt_next = NULL;
diff --git a/src/version.c b/src/version.c
index fde9d20..436e485 100644
--- a/src/version.c
+++ b/src/version.c
@@ -667,6 +667,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 155,
+/**/
154,
/**/
153,