[glibmm] Doxyfile.in: Allow more graph nodes

[Kjell Ahlstedt <kjellahl src gnome org>]

commit d7cfb908cafc975e054dc97637dddd9d178e4f89
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Mon Oct 10 16:20:42 2022 +0200

    Doxyfile.in: Allow more graph nodes
    
    Required for Glib::Object's inheritance diagram.

 docs/reference/Doxyfile.in | 2 +-
 meson.build                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/docs/reference/Doxyfile.in b/docs/reference/Doxyfile.in
index ed48e2a4..24c2da85 100644
--- a/docs/reference/Doxyfile.in
+++ b/docs/reference/Doxyfile.in
@@ -348,7 +348,7 @@ MSCFILE_DIRS           =
 DIAFILE_DIRS           =
 PLANTUML_JAR_PATH      =
 PLANTUML_INCLUDE_PATH  =
-DOT_GRAPH_MAX_NODES    = 50
+DOT_GRAPH_MAX_NODES    = 150
 MAX_DOT_GRAPH_DEPTH    = 0
 DOT_TRANSPARENT        = NO
 DOT_MULTI_TARGETS      = YES
diff --git a/meson.build b/meson.build
index b89fcf73..7c5a5a23 100644
--- a/meson.build
+++ b/meson.build
@@ -59,7 +59,7 @@ endif
 # Do we build from a git repository?
 # Suppose we do if and only if the meson.build file is tracked by git.
 cmd_py = '''
-import os, sys, subprocess, shutil
+import shutil, subprocess, sys
 if not shutil.which('git'):
   sys.exit(1)
 cmd = [ 'git', 'ls-files', '--error-unmatch', 'meson.build' ]