patch 7.4.977
Problem:    'linebreak' does not work properly when using "space" in
            'listchars'.
Solution:   (Hirohito Higashi, Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index e034d45..8289826 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    977,
+/**/
     976,
 /**/
     975,