patch 8.2.2384: turtle filetype not recognized

Problem:    Turtle filetype not recognized.
Solution:   Add a rule to detect turtle files. (closes #7722)
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index b05c152..4e6d433 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -733,6 +733,23 @@
   filetype off
 endfunc
 
+func Test_ttl_file()
+  filetype on
+
+  call writefile(['@base <http://example.org/> .'], 'Xfile.ttl')
+  split Xfile.ttl
+  call assert_equal('turtle', &filetype)
+  bwipe!
+
+  call writefile(['looks like Tera Term Language'], 'Xfile.ttl')
+  split Xfile.ttl
+  call assert_equal('teraterm', &filetype)
+  bwipe!
+
+  call delete('Xfile.ttl')
+  filetype off
+endfunc
+
 func Test_pp_file()
   filetype on
 
diff --git a/src/version.c b/src/version.c
index 361ae36..a90c645 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2384,
+/**/
     2383,
 /**/
     2382,