debugger fixes

make sure we always go back to current module, even during initizlization.


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1062 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

C/modules.c

@@ -96,7 +96,7 @@ p_current_module(void)
   if (IsVarTerm(t) || !IsAtomTerm(t))
     return FALSE;
   if (t == TermProlog) {
-    CurrentModule = 0;
+    CurrentModule = PROLOG_MODULE;
   } else {
     CurrentModule = t;
     LookupModule(CurrentModule);