patch 9.1.0986: filetype: 'jj' filetype is a bit imprecise

Problem:  filetype: 'jj' filetype is a bit imprecise
Solution: rename 'jj' filetype to 'jjdescription'
          (Gregory Anders)

closes: #16364

Signed-off-by: Gregory Anders <greg@gpanders.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 66942b9..59a9161 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -391,7 +391,7 @@
     jess: ['file.clp'],
     jgraph: ['file.jgr'],
     jinja: ['file.jinja'],
-    jj: ['file.jjdescription'],
+    jjdescription: ['file.jjdescription'],
     jovial: ['file.jov', 'file.j73', 'file.jovial'],
     jproperties: ['file.properties', 'file.properties_xx', 'file.properties_xx_xx', 'some.properties_xx_xx_file', 'org.eclipse.xyz.prefs'],
     jq: ['file.jq'],
diff --git a/src/version.c b/src/version.c
index d446b6f..97c1488 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    986,
+/**/
     985,
 /**/
     984,