Add fpc_ProcID type and use it for all process IDs

See https://github.com/zeldaret/tp/pull/2173

src/d/d_camera.cpp

@@ -558,12 +558,12 @@ void dCamera_c::GetForceLockOnActor() {
 }
 
 /* 8017BCEC-8017BD2C       .text ForceLockOn__9dCamera_cFUi */
-void dCamera_c::ForceLockOn(uint) {
+void dCamera_c::ForceLockOn(fpc_ProcID) {
     /* Nonmatching */
 }
 
 /* 8017BD2C-8017BD5C       .text ForceLockOff__9dCamera_cFUi */
-void dCamera_c::ForceLockOff(uint) {
+void dCamera_c::ForceLockOff(fpc_ProcID) {
     /* Nonmatching */
 }