Squish: Make deep copies of Targets.ALL_TARGETS
Squish: Make deep copies of Targets.ALL_TARGETS

Fixes crash in tst_generic_highlighter

Change-Id: I186cf47990e80ee6902c0812e6d6e3a260dfeec5
Reviewed-by: Christian Stenger <accbb51712d7b9c4fb108439d01e716148e5f9e6@theqtcompany.com>

martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,xianian/qt-creator,danimo/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,danimo/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,xianian/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,xianian/qt-creator,danimo/qt-creator,xianian/qt-creator,danimo/qt-creator