patch 9.1.0243: filetype: netrw history file is not recognized

Problem:  filetype: netrw history file is not recognized
Solution: Detect .netrwhist as vim files (Wu, Zhenyu)

closes: #14364

Signed-off-by: Wu, Zhenyu <wuzhenyu@ustc.edu>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index be59bc0..c06a056 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -2436,7 +2436,7 @@
 au BufNewFile,BufRead *.hdl,*.vhd,*.vhdl,*.vbe,*.vst,*.vho  setf vhdl
 
 " Vim script
-au BufNewFile,BufRead *.vim,.exrc,_exrc		setf vim
+au BufNewFile,BufRead *.vim,.exrc,_exrc,.netrwhist	setf vim
 
 " Viminfo file
 au BufNewFile,BufRead .viminfo,_viminfo		setf viminfo
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 91fc517..c4a57a0 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -785,7 +785,7 @@
     vgrindefs: ['vgrindefs'],
     vhdl: ['file.hdl', 'file.vhd', 'file.vhdl', 'file.vbe', 'file.vst', 'file.vhdl_123', 'file.vho', 'some.vhdl_1', 'some.vhdl_1-file'],
     vhs: ['file.tape'],
-    vim: ['file.vim', '.exrc', '_exrc', 'some-vimrc', 'some-vimrc-file', 'vimrc', 'vimrc-file'],
+    vim: ['file.vim', '.exrc', '_exrc', 'some-vimrc', 'some-vimrc-file', 'vimrc', 'vimrc-file', '.netrwhist'],
     viminfo: ['.viminfo', '_viminfo'],
     vmasm: ['file.mar'],
     voscm: ['file.cm'],
diff --git a/src/version.c b/src/version.c
index f236655..b89c6c8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    243,
+/**/
     242,
 /**/
     241,