On Windows, file dialogs display extension filters followed by a ';'#113

ncruces merged 2 commits intoncruces:masterncruces/zenity:masterfrom

hfmrow:hfmrow-patch-dialogs-display-extension-filters-followed-by-a-';'hfmrow/zenity:hfmrow-patch-dialogs-display-extension-filters-followed-by-a-';'Copy head branch name to clipboard