patch 7.4.1957
Problem:    Perl interface has obsolete workaround.
Solution:   Remove the workaround added by 7.3.623. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 5e224e8..2827f24 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1957,
+/**/
     1956,
 /**/
     1955,