xous: ffi: correct syscall number for adjust_process

The AdjustProcessLimit syscall was using the correct call number.
Signed-off-by: Sean Cross <sean@xobs.io>

Author: xobs

library/std/src/os/xous/ffi.rs

@@ -615,7 +615,7 @@ pub(crate) fn thread_id() -> Result<ThreadId, Error> {
 /// An error is generated if the `knob` is not a valid limit, or if the call
 /// would not succeed.
 pub(crate)fnadjust_limit(knob:Limits,current:usize,new:usize) -> Result<usize,Error>{
-letmut a0 = Syscall::JoinThreadasusize;
+letmut a0 = Syscall::AdjustProcessLimitasusize;
 letmut a1 = knob asusize;
 let a2 = current;
 let a3 = new;