Log Message:
(cad/gtkwave) Updated 3.3.104 to 3.3.106

3.3.105 01jul20 Fix bad (void) of is_closing in fstDestroyMmaps when using
                Cygwin or MinGW.
                Fix left shift overflow in cvt_fpsdec().
                Add in missing file/translate/process filter for reals.
                Fix for bitvec merging in GHW so integers arrays can be viewed.
                Added Shift-Up/Down highlight with scroll in order to assist
                with left/right arrow based transition movement.
                Fix Show Wave Highlight so it is not dependent on Show Grid.
                Fix negative MSBs on VCD loaders for vectors.
                Fix getpwuid() null pointer exception.
                Add missing recursion case to treenamefix().
                Fix lock/unlock misuse of pthread mutexes across threads.
                Examine env var $HOME for home dir on geteuid failure.
3.3.106 06jul20 Fix for GDK_KEY_* definitions missing in older GDK versions.
                Fix Shift-Up/Down highlight to traverse inside groups.
                Resync ghwlib to handled unbounded arrays.