small fixes to make compiler happy.

sql/gcalc_slicescan.cc

@@ -151,7 +151,7 @@ static void GCALC_DBUG_PRINT_SLICE(const char *header,
     else
       lnbuf+= gcalc_pi_str(buf+lnbuf, slice->next_pi, "\t");
     buf[lnbuf]= 0;
-    GCALC_DBUG_PRINT((buf));
+    GCALC_DBUG_PRINT(("%s", buf));
   }
 }
 

sql/gcalc_tools.cc

@@ -133,7 +133,7 @@ int Gcalc_function::count_internal(const char *cur_func, uint set_type,
   uint n_ops= c_op & ~(op_any | op_not | v_mask);
   uint n_shape= c_op & ~(op_any | op_not | v_mask); /* same as n_ops */
   value v_state= (value) (c_op & v_mask);
-  int result;
+  int result= 0;
   const char *sav_cur_func= cur_func;
 
   // GCALC_DBUG_ENTER("Gcalc_function::count_internal");