panfrost: decode: Make the indentation consistent with auto-generated print helpers

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6797>
diff --git a/src/panfrost/lib/decode.c b/src/panfrost/lib/decode.c
index 2d8dc6c..710a402 100644
--- a/src/panfrost/lib/decode.c
+++ b/src/panfrost/lib/decode.c
@@ -102,7 +102,7 @@
 pandecode_make_indent(void)
 {
         for (unsigned i = 0; i < pandecode_indent; ++i)
-                fprintf(pandecode_dump_stream, "    ");
+                fprintf(pandecode_dump_stream, "  ");
 }
 
 static void