fix situation where we might assume nonextsing double initialisation of C predicates (use

Hidden Pred Flag).
$host_type was double initialised.


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1177 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

C/scanner.c

@@ -568,7 +568,7 @@ Yap_scan_num(int (*Nxtch) (int))
       out = MkFloatTerm(-FloatOfTerm(out));
   }
   if (Yap_ErrorMessage != NULL || ch != -1 || cherr)
-    return(TermNil);
+    return TermNil;
   return(out);
 }