patch 7.4.1671
Problem:    When help exists in multiple languages, adding @ab while "ab" is
            the default help language is unnecessary.
Solution:   Leave out "@ab" when not needed. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 7039002..a26efec 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1671,
+/**/
     1670,
 /**/
     1669,