patch 8.2.0161: not recognizing .gv file as dot filetype

Problem:    Not recognizing .gv file as dot filetype.
Solution:   Add *.gv to dot pattern. (closes #5544)
diff --git a/runtime/doc/evim-it.1 b/runtime/doc/evim-it.1
old mode 100755
new mode 100644
diff --git a/runtime/doc/vim-it.1 b/runtime/doc/vim-it.1
old mode 100755
new mode 100644
diff --git a/runtime/doc/vimdiff-it.1 b/runtime/doc/vimdiff-it.1
old mode 100755
new mode 100644
diff --git a/runtime/doc/vimtutor-it.1 b/runtime/doc/vimtutor-it.1
old mode 100755
new mode 100644
diff --git a/runtime/doc/xxd-it.1 b/runtime/doc/xxd-it.1
old mode 100755
new mode 100644
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index d8184fa..1347c42 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -491,7 +491,7 @@
 au BufNewFile,BufRead *.com			call dist#ft#BindzoneCheck('dcl')
 
 " DOT
-au BufNewFile,BufRead *.dot			setf dot
+au BufNewFile,BufRead *.dot,*.gv		setf dot
 
 " Dylan - lid files
 au BufNewFile,BufRead *.lid			setf dylanlid
diff --git a/runtime/ftplugin/swift.vim b/runtime/ftplugin/swift.vim
old mode 100755
new mode 100644
diff --git a/runtime/ftplugin/swiftgyb.vim b/runtime/ftplugin/swiftgyb.vim
old mode 100755
new mode 100644
diff --git a/runtime/indent/lifelines.vim b/runtime/indent/lifelines.vim
old mode 100755
new mode 100644
diff --git a/runtime/syntax/sil.vim b/runtime/syntax/sil.vim
old mode 100755
new mode 100644
diff --git a/runtime/syntax/swift.vim b/runtime/syntax/swift.vim
old mode 100755
new mode 100644
diff --git a/runtime/syntax/swiftgyb.vim b/runtime/syntax/swiftgyb.vim
old mode 100755
new mode 100644
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 0916f5c..2bd8534 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -139,7 +139,7 @@
     \ 'dockerfile': ['Containerfile', 'Dockerfile', 'file.Dockerfile'],
     \ 'dosbatch': ['file.bat', 'file.sys'],
     \ 'dosini': ['.editorconfig', '/etc/yum.conf', 'file.ini'],
-    \ 'dot': ['file.dot'],
+    \ 'dot': ['file.dot', 'file.gv'],
     \ 'dracula': ['file.drac', 'file.drc', 'filelvs', 'filelpe'],
     \ 'dsl': ['file.dsl'],
     \ 'dtd': ['file.dtd'],
diff --git a/src/version.c b/src/version.c
index 562b5fb..a87ca07 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    161,
+/**/
     160,
 /**/
     159,