patch 8.2.0705: indent tests don't run on CI for FreeBSD

Problem:    Indent tests don't run on CI for FreeBSD.
Solution:   Set modeline. (Ozaki Kiichi, closes #6048)
diff --git a/src/version.c b/src/version.c
index f22b37d..45f67c9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    705,
+/**/
     704,
 /**/
     703,