Bug#1132846: gimp - Insecurely creates /tmp/gimp/3.2

[Nicola Chiapolini]

After seeing the message from Vincent I upgraded as well.
I can confirm Vincent's observation. With gimp 3.2.4-2 directories like
/tmp/gimp-3.2-XQ2UZQ3 and /tmp/gimp-3.2-XXRJER3 are created. Access is 
limited to my user.