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 #8337)
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 1b07b0e..ac227fe 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -423,7 +423,7 @@
     \ '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'],
diff --git a/src/version.c b/src/version.c
index 1e9a787..f9529ab 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2954,
+/**/
     2953,
 /**/
     2952,