[dia: 104/105] #19: Update TODO with parent meson issues.

[Zander <zbrown src gnome org>]

commit 3924061033d86cb6b61aae8f8ec3a19d76d0455f
Author: Eduard Nicodei <eddnicodei gmail com>
Date:   Sun Jan 27 23:39:43 2019 +0000

    #19: Update TODO with parent meson issues.

 app/meson.build | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/app/meson.build b/app/meson.build
index 54696b46..a4449fcc 100644
--- a/app/meson.build
+++ b/app/meson.build
@@ -64,6 +64,8 @@ dia_sources = [
 ]
 
 #TODO: this is workaround for openbsd where libraries are in /usr/lib/local
+# Potential parent issues: https://github.com/mesonbuild/meson/issues/3570
+# https://github.com/mesonbuild/meson/issues/4468
 pkg_config = find_program('pkg-config')
 pkg_config_libdir = run_command(pkg_config, '--libs-only-L', 'libxml-2.0').stdout().strip()