vim-patch:9.1.2035: filetype: filetype: Fennel fnlm files are not recognized (#37178)

Problem:  filetype: Fennel fnlm files are not recognized
          (Alexei Mozaidze, after v9.1.2034)
Solution: Detect *.fnlm files as fennel filetype, revert detecting
          *.fnml files

related: vim/vim#19047

ea189a6f4d

Co-authored-by: Christian Brabandt <cb@256bit.org>

runtime/lua/vim/filetype.lua

@@ -472,7 +472,7 @@ local extension = {
   fwt = 'fan',
   lib = 'faust',
   fnl = 'fennel',
-  fnml = 'fennel',
+  fnlm = 'fennel',
   fga = 'fga',
   m4gl = 'fgl',
   ['4gl'] = 'fgl',

test/old/testdir/test_filetype.vim

@@ -292,7 +292,7 @@ func s:GetFilenameChecks() abort
     \ 'falcon': ['file.fal'],
     \ 'fan': ['file.fan', 'file.fwt'],
     \ 'faust': ['file.dsp', 'file.lib'],
-    \ 'fennel': ['file.fnl', '.fennelrc', 'fennelrc', 'file.fnml'],
+    \ 'fennel': ['file.fnl', '.fennelrc', 'fennelrc', 'file.fnlm'],
     \ 'fetchmail': ['.fetchmailrc'],
     \ 'fga': ['file.fga'],
     \ 'fgl': ['file.4gl', 'file.4gh', 'file.m4gl'],