gvedit remove getopt dependecy
Tried to build graphviz with cmake on Windows and it failed to find getopt headers from the vcpkg submodule, since Qt is used there I used QCommandLineParser instead, which fixed my build.
Tried to build graphviz with cmake on Windows and it failed to find getopt headers from the vcpkg submodule, since Qt is used there I used QCommandLineParser instead, which fixed my build.