Comment 0 for bug 1044939

Found by the clang static analyzer in Widelands bzr r6428. (Note that this includes a couple of issues in the minizip sources, which I don't think we want to change)

Dead assignment home /arch /widelands /src /graphic /render /gameview.cc:286
Dead assignment home /arch /widelands /src /minizip /unzip.cc:2328
Dead assignment home /arch /widelands /src /minizip /unzip.cc:1010
Dead assignment home /arch /widelands /src /economy /test /test_routing.cc:459
Dead increment home /arch /widelands /src /minizip /unzip.cc:721
Dead increment home /arch /widelands /src /ui_basic /box.cc:151
Dead increment home /arch /widelands /src /minizip /unzip.cc:723
Dead increment home /arch /widelands /src /ui_basic /box.cc:156
Dead increment home /arch /widelands /src /wui /story_message_box.cc:71
Dead increment home /arch /widelands /src /editor /ui_menus /editor_player_menu.cc:184
Dead increment home /arch /widelands /src /editor /ui_menus /editor_main_menu_new_map.cc:127