patch 8.2.3805: i3config files are not recognized

Problem:    i3config files are not recognized.
Solution:   Add patterns to match i3config files. (Quentin Hibon,
            closes #7969)
diff --git a/src/version.c b/src/version.c
index df439e0..30a71e1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3805,
+/**/
     3804,
 /**/
     3803,