userdiff: add a builtin pattern for dts files

diff --git a/t/t4018-diff-funcname.sh b/t/t4018-diff-funcname.sh
index 22f9f88f0afc54f1dfeebbea623a4c41fde709f6..6f5ef0035e92998eb74b14081aa021247abf67d8 100755 (executable)
--- a/t/t4018-diff-funcname.sh
+++ b/t/t4018-diff-funcname.sh
@@ -31,6 +31,7 @@ diffpatterns="
        cpp
        csharp
        css
+       dts
        fortran
        fountain
        golang
@@ -43,6 +44,7 @@ diffpatterns="
        php
        python
        ruby
+       rust
        tex
        custom1
        custom2