patch 7.4.881
Problem:    Test 49 fails.
Solution:   Add line number to check of call stack.
diff --git a/src/version.c b/src/version.c
index 37c63ec..079d99d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    881,
+/**/
     880,
 /**/
     879,