[jhbuild/bug/outdated-clang-alt-deps] gnome-sysdeps: add libclang altdep for clang 11 and 12

[Sebastian Geiger <segeiger src gnome org>]

commit dbdf3c1cd7cbd20e30c967bb492cc856009cd2cb
Author: Sebastian Geiger <sbastig gmx net>
Date:   Wed May 12 13:16:42 2021 +0200

    gnome-sysdeps: add libclang altdep for clang 11 and 12

 modulesets/gnome-sysdeps-latest.modules | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/modulesets/gnome-sysdeps-latest.modules b/modulesets/gnome-sysdeps-latest.modules
index 63f90611..9d0af442 100644
--- a/modulesets/gnome-sysdeps-latest.modules
+++ b/modulesets/gnome-sysdeps-latest.modules
@@ -532,6 +532,8 @@
     <systemdependencies>
       <dep type="c_include" name="clang-c/Index.h">
         <!-- Debian. FIXME: This is definitely broken. https://bugzilla.gnome.org/show_bug.cgi?id=781872 -->
+        <altdep type="c_include" name="../lib/llvm-12/include/clang-c/Index.h"/>
+        <altdep type="c_include" name="../lib/llvm-11/include/clang-c/Index.h"/>
         <altdep type="c_include" name="../lib/llvm-10/include/clang-c/Index.h"/>
         <altdep type="c_include" name="../lib/llvm-9/include/clang-c/Index.h"/>
         <altdep type="c_include" name="../lib/llvm-8/include/clang-c/Index.h"/>