qjackctl: fix cross
qjackctl: fix cross

previously, qmake tried to link libs from the host.
By using build-style=qmake, we now make use of the qtconf file which
specifies correct sysroot and paths.

A run of configure is still necessary

necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages