Fixed so pd_ui.h can be used from C
Fixed so pd_ui.h can be used from C

kondrak/ProDBG,v3n/ProDBG,kondrak/ProDBG,emoon/ProDBG,RobertoMalatesta/ProDBG,ashemedai/ProDBG,emoon/ProDBG,ashemedai/ProDBG,v3n/ProDBG,kondrak/ProDBG,ashemedai/ProDBG,v3n/ProDBG,kondrak/ProDBG,RobertoMalatesta/ProDBG,RobertoMalatesta/ProDBG,SlNPacifist/ProDBG,emoon/ProDBG,SlNPacifist/ProDBG,v3n/ProDBG,emoon/ProDBG,kondrak/ProDBG,ashemedai/ProDBG,kondrak/ProDBG,ashemedai/ProDBG,SlNPacifist/ProDBG,v3n/ProDBG,SlNPacifist/ProDBG,SlNPacifist/ProDBG,v3n/ProDBG,RobertoMalatesta/ProDBG,emoon/ProDBG,emoon/ProDBG,SlNPacifist/ProDBG,RobertoMalatesta/ProDBG,ashemedai/ProDBG