patch 8.1.1729: heredoc with trim not properly handled in function

Problem:    Heredoc with trim not properly handled in function.
Solution:   Allow for missing indent. (FUJIWARA Takuya, closes #4713)
diff --git a/src/version.c b/src/version.c
index ce47c9b..a75f34a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1729,
+/**/
     1728,
 /**/
     1727,