patch 8.2.3464: nginx files are not recognized

Problem:    nginx files are not recognized.
Solution:   Add several file patterns. (Chris Aumann, closes #8922)
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index a4d0ff9..3f4209a 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -345,6 +345,7 @@
     \ 'nanorc': ['/etc/nanorc', 'file.nanorc', 'any/etc/nanorc'],
     \ 'ncf': ['file.ncf'],
     \ 'netrc': ['.netrc'],
+    \ 'nginx': ['file.nginx', 'nginxfile.conf', 'filenginx.conf', 'any/etc/nginx/file', 'any/usr/local/nginx/conf/file', 'any/nginx/file.conf'],
     \ 'ninja': ['file.ninja'],
     \ 'nqc': ['file.nqc'],
     \ 'nroff': ['file.tr', 'file.nr', 'file.roff', 'file.tmac', 'file.mom', 'tmac.file'],
diff --git a/src/version.c b/src/version.c
index f5b36e1..4e4f4fd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3464,
+/**/
     3463,
 /**/
     3462,