Fixing windows compilation problem.

src/sat/xsat/xsatBQueue.h

@@ -125,8 +125,9 @@ static inline void xSAT_BQueuePush( xSAT_BQueue_t * p, unsigned Value )
 ***********************************************************************/
 static inline int xSAT_BQueuePop( xSAT_BQueue_t * p )
 {
+    int RetValue;
     assert( p->nSize >= 1 );
-    int RetValue = p->pData[p->iFirst];
+    RetValue = p->pData[p->iFirst];
     p->nSum -= RetValue;
     p->iFirst = ( p->iFirst + 1 ) % p->nCap;
     p->nSize--;

src/sat/xsat/xsatSolver.c

@@ -334,7 +334,7 @@ int xSAT_SolverEnqueue( xSAT_Solver_t * s, int Lit, unsigned Reason )
 {
     int Var = xSAT_Lit2Var( Lit );
 
-    Vec_StrWriteEntry( s->vAssigns, Var, xSAT_LitSign( Lit ) );
+    Vec_StrWriteEntry( s->vAssigns, Var, (char)xSAT_LitSign( Lit ) );
     Vec_IntWriteEntry( s->vLevels, Var, xSAT_SolverDecisionLevel( s ) );
     Vec_IntWriteEntry( s->vReasons, Var, ( int ) Reason );
     Vec_IntPush( s->vTrail, Lit );

src/sat/xsat/xsatSolver.h

@@ -143,7 +143,7 @@ struct xSAT_Solver_t_
 
     int     nAssignSimplify; /* Number of top-level assignments since last
                               * execution of 'simplify()'. */
-    int64_t nPropSimplify;   /* Remaining number of propagations that must be
+    iword   nPropSimplify;   /* Remaining number of propagations that must be
                               * made before next execution of 'simplify()'. */
 
     /* Temporary data used by Search method */