missed on previous commit

Fix some issues reported by lintian

See merge request !2

Changes-By: lintian-brush
Fixes: lintian: debian-rules-uses-as-needed-linker-flag
See-also: https://lintian.debian.org/tags/debian-rules-uses-as-needed-linker-flag.html

Changes-By: lintian-brush
Fixes: lintian: trailing-whitespace
See-also: https://lintian.debian.org/tags/trailing-whitespace.html

gconf part was remove in 5.4.0

Update to upstream version '5.4.0'
with Debian dir f5953195282c97367f2c4a2237e7c11b653599bc

* prepare upload to unstable

don't merge watch file change because the master one is wrong

Update to upstream version '5.2.0'
with Debian dir be08b4fa133fc8746913bebb0840f06655e0f7c7

Can cause locale issues

https://github.com/GNOME/gnome-session/commit/0b78a5cacc75bd5ae264a477539d42a14b089fe4

Closes: #998555

Update to upstream version '5.0.1'
with Debian dir e268eaa9f08370f7fbe0c09cbba9268b17ff97e6