devicelost: clean up arguments on stack

D3D9, like most of the Microsoft APIs, uses stdcall calling convention.
In particular, this means that the callee must pop the arguments off the
stack (as opposed to letting caller clean them up afterwards).

Now everything should work.

thcrap_tsa/src/devicelost.c

@@ -39,7 +39,9 @@ int BP_devicelost(x86_reg_t *regs, json_t *bp_info) {
 		case D3DERR_DRIVERINTERNALERROR:
 			MessageBox(0, "Unable to recover from Device Lost error.", "Error", MB_ICONERROR);
 			// panic and return (will probably result in crash)
+			// [[fallthrough]]
 		case D3D_OK:
+			regs->esp += 8; // simulate RETN 8
 			return 0;
 		}
 	}