Add *.d to gitignore for ynltool

Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
---
 tools/net/ynl/ynltool/.gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/net/ynl/ynltool/.gitignore b/tools/net/ynl/ynltool/.gitignore
index f38848dbb0d3..690d399c921a 100644
--- a/tools/net/ynl/ynltool/.gitignore
+++ b/tools/net/ynl/ynltool/.gitignore
@@ -1 +1,2 @@
 ynltool
+*.d
-- 
2.51.1