standardize on "return foo;" rather than "return(foo);" or "return (foo);"

plugins/sudoers/auth/aix_auth.c

@@ -65,7 +65,7 @@ aixauth_verify(struct passwd *pw, char *prompt, sudo_auth *auth)
 	free(message);
 	zero_bytes(pass, strlen(pass));
     }
-    return(rval);
+    return rval;
 }
 
 int
@@ -74,5 +74,5 @@ aixauth_cleanup(struct passwd *pw, sudo_auth *auth)
     /* Unset AUTHSTATE as it may not be correct for the runas user. */
     unsetenv("AUTHSTATE");
 
-    return(AUTH_SUCCESS);
+    return AUTH_SUCCESS;
 }