Avoid multiple registration of autocmd

oppara · kevinoid · commit b6d48681fc8b · 2021-05-03T12:17:19.000Z
diff --git a/ftdetect/jsonc.vim b/ftdetect/jsonc.vim
@@ -1,4 +1,6 @@
 augroup jsoncFtdetect
+    autocmd!
+
     " Recognize some extensions known to have JSON with comments
     " Note: If conflicts are found, please report them.
 
