Ok, corrigi-lo, reinstalei:
~ » sudo apt-get install --reinstall libqt4-svg:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 2 reinstalled, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0 B/275 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Selecting previously unselected package libqt4-svg:i386.
(Reading database ... 153417 files and directories currently installed.)
Preparing to unpack .../libqt4-svg_4%3a4.8.5+git192-g085f851+dfsg-2ubuntu4.1_i386.deb ...
Unpacking libqt4-svg:i386 (4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1) over (4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1) ...
Preparing to unpack .../libqt4-svg_4%3a4.8.5+git192-g085f851+dfsg-2ubuntu4.1_amd64.deb ...
Unpacking libqt4-svg:amd64 (4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1) over (4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1) ...
Setting up libqt4-svg:i386 (4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1) ...
Setting up libqt4-svg:amd64 (4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1) ...
Processing triggers for libc-bin (2.19-0ubuntu6.6) ...