make: unifdef for REDIRECT_ERR (defined)

@@ -900,11 +900,11 @@
 extern Boolean          working_on_targets;
 extern Name             virtual_root;
 extern Boolean          vpath_defined;
 extern Name             vpath_name;
 extern Boolean          make_state_locked;
-#if defined (TEAMWARE_MAKE_CMN) && defined(REDIRECT_ERR)
+#if defined (TEAMWARE_MAKE_CMN)
 extern Boolean          out_err_same;
 #endif
 extern pid_t            childPid;
 extern nl_catd          libmksh_catd;