[klibc] The type is uid_t, not uid.

Fix typo in type name.  This will start to matter very, very soon.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/usr/klibc/SYSCALLS.def b/usr/klibc/SYSCALLS.def
index ab7540d..cb02c63 100644
--- a/usr/klibc/SYSCALLS.def
+++ b/usr/klibc/SYSCALLS.def
@@ -69,7 +69,7 @@
 int setregid32,setregid::setregid(gid_t, gid_t);
 int setfsuid32,setfsuid::setfsuid(uid_t);
 int setfsgid32,setfsgid::setfsgid(gid_t);
-int setresuid32,setresuid::setresuid(int, uid_t, uid, uid_t);
+int setresuid32,setresuid::setresuid(int, uid_t, uid_t, uid_t);
 
 /*
  * Filesystem-related system calls