sim: add distclean dep for gnulib

Author: vapier

Makefile.def

@@ -612,6 +612,7 @@ dependencies = { module=check-libctf; on=all-ld; };
 // gdb and gdbserver.
 dependencies = { module=distclean-gnulib; on=distclean-gdb; };
 dependencies = { module=distclean-gnulib; on=distclean-gdbserver; };
+dependencies = { module=distclean-gnulib; on=distclean-sim; };
 
 // Warning, these are not well tested.
 dependencies = { module=all-bison; on=all-intl; };

Makefile.in

@@ -66886,6 +66886,7 @@ check-stageautoprofile-libctf: maybe-all-stageautoprofile-ld
 check-stageautofeedback-libctf: maybe-all-stageautofeedback-ld
 distclean-gnulib: maybe-distclean-gdb
 distclean-gnulib: maybe-distclean-gdbserver
+distclean-gnulib: maybe-distclean-sim
 all-bison: maybe-all-build-texinfo
 all-flex: maybe-all-build-bison
 all-flex: maybe-all-m4