fix indexing in 64 bits (it would split ints from atoms :( ).

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2072 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

changes-5.1.html

@@ -17,6 +17,8 @@
 
 <h2>Yap-5.1.3:</h2>
 <ul>
+<li> FIXED: with 64 bits indexing would separate ints from atoms  (obs from   A N Saravanaraj).</li>
+<li> FIXED: duplicated clause when starting from trace (obs from   A N Saravanaraj).</li>
 <li> FIXED: always remember wchar_t is unsigned in WIN32.</li>
 <li> FIXED: more BOM trouble (obs from P Moura).</li>
 <li> FIXED: testing for BOM forced incorrect execution of gets (obs