fixes warnings when library and fxs folders don't exist
fixes warnings when library and fxs folders don't exist

damies13/opentoonz,lordadamson/opentoonz,janisozaur/opentoonz,janisozaur/opentoonz,janisozaur/opentoonz,lordadamson/opentoonz,lordadamson/opentoonz,janisozaur/opentoonz,damies13/opentoonz,damies13/opentoonz,damies13/opentoonz,lordadamson/opentoonz,lordadamson/opentoonz,damies13/opentoonz,janisozaur/opentoonz