[atkmm] codegen/generate_defs_and_docs.sh: Atk has moved to at-spi2-core

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 044079311aa5475d9ac962283ba634dcfa6a6de3
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Thu Jul 7 09:31:51 2022 +0200

    codegen/generate_defs_and_docs.sh: Atk has moved to at-spi2-core
    
    Atk has been merged with at-spi2-core. Read atk files from there.

 codegen/generate_defs_and_docs.sh | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/codegen/generate_defs_and_docs.sh b/codegen/generate_defs_and_docs.sh
index b4cd760..c5649d5 100755
--- a/codegen/generate_defs_and_docs.sh
+++ b/codegen/generate_defs_and_docs.sh
@@ -52,15 +52,14 @@ gen_methods="$GMMPROC_GEN_SOURCE_DIR/glibmm/tools/defs_gen/h2def.py"
 gen_enums="$GMMPROC_GEN_SOURCE_DIR/glibmm/tools/enum.pl"
 
 # Where to find the executable that generates extra defs (signals and properties).
-# atkmm is built with autotools.
-# autotools support, but don't require, non-source-dir builds.
+# atkmm is built with meson or autotools. Don't require, non-source-dir builds.
 extra_defs_gen_dir="$GMMPROC_GEN_BUILD_DIR/atkmm/codegen/extradefs"
 
-source_prefix="$GMMPROC_GEN_SOURCE_DIR/atk"
-build_prefix="$GMMPROC_GEN_BUILD_DIR/atk"
+source_prefix="$GMMPROC_GEN_SOURCE_DIR/at-spi2-core"
+build_prefix="$GMMPROC_GEN_BUILD_DIR/at-spi2-core"
 if [ "$source_prefix" == "$build_prefix" ]; then
   # atk is built with meson, which requires non-source-dir builds.
-  # This is what jhbuild does, if neccesary, to force non-source-dir builds.
+  # This is what jhbuild does, if necessary, to force non-source-dir builds.
   build_prefix="$build_prefix/build"
 fi