patch 8.2.3613: :find test fails

Problem:    :find test fails.
Solution:   Put length check inside if block.
diff --git a/src/version.c b/src/version.c
index 197f019..4f0dac7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3613,
+/**/
     3612,
 /**/
     3611,