vim-patch:8.2.2954: short file name extension for Scala not recognized

Problem:    Short file name extension for Scala not recognized.
Solution:   Recognize *.sc. (closes vim/vim#8337)
6db7b6375a

src/nvim/testdir/test_filetype.vim

@@ -424,7 +424,7 @@ let s:filename_checks = {
     \ 'sass': ['file.sass'],
     \ 'sather': ['file.sa'],
     \ 'sbt': ['file.sbt'],
-    \ 'scala': ['file.scala'],
+    \ 'scala': ['file.scala', 'file.sc'],
     \ 'scheme': ['file.scm', 'file.ss', 'file.rkt'],
     \ 'scilab': ['file.sci', 'file.sce'],
     \ 'screen': ['.screenrc', 'screenrc'],