[rpms/mstflint] rawhide: print the names of bundled library files being deleted

[Michal Schmidt <mschmidt@redhat.com>]

            A new commit has been pushed.

            Repo   : rpms/mstflint
            Branch : rawhide
            Commit : 01f26da237e6316798e13670aee71b97ab3710c1
            Author : Michal Schmidt <mschmidt@redhat.com>
            Date   : 2026-08-12T12:40:46+02:00
            Stats  : +1/-1 in 1 file(s)
            URL    : https://src.fedoraproject.org/rpms/mstflint/c/01f26da237e6316798e13670aee71b97ab3710c1?branch=rawhide

            Log:
            print the names of bundled library files being deleted

It can be useful to see them in build.log in case of later problems.

Also simplify the find arguments:
-delete implies -depth, and -prune makes no sense on non-dirs, so drop both.

---
diff --git a/mstflint.spec b/mstflint.spec
index 174cf41..f38b62c 100644
--- a/mstflint.spec
+++ b/mstflint.spec
@@ -79,7 +79,7 @@ for network adapters based on Mellanox Technologies chips.
 %{!?with_bundled_iniparser:%global _unbundle_dirs %{_unbundle_dirs} ext_libs/iniParser}
 %{!?with_bundled_jsoncpp:%global _unbundle_dirs %{_unbundle_dirs} ext_libs/json}
 %{!?with_bundled_muparser:%global _unbundle_dirs %{_unbundle_dirs} ext_libs/muparser}
-find %{_unbundle_dirs} -depth -mindepth 1 -name Makefile.am -prune -o -delete
+find %{_unbundle_dirs} -mindepth 1 -name Makefile.am -o -print -delete
 
 find . -type f -perm /a+x \( -name '*.[ch]' -o -name '*.cpp' \) -exec chmod a-x '{}' '+'