Add new "walk" command options to list processes and modref's.

diff --git a/include/module.h b/include/module.h
index 3a49ece..dcfffc4 100644
--- a/include/module.h
+++ b/include/module.h
@@ -187,6 +187,7 @@
 extern FARPROC16 MODULE_GetWndProcEntry16( const char *name );
 extern FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hmodule, LPCSTR name );
 extern SEGPTR WINAPI HasGPHandler16( SEGPTR address );
+extern void MODULE_WalkModref( DWORD id );
 
 /* resource.c */
 extern INT       WINAPI AccessResource(HMODULE,HRSRC);