Merge declaration and initialization.

src/xt_idxlist_intersection.c

@@ -104,10 +104,8 @@ xt_default_isect(Xt_idxlist idxlist_src,
    // if the get_intersection routine was not able to compute the intersection
    INSTR_START(instr_fallback);
 
-   int num_indices_src, num_indices_dst;
-
-   num_indices_src = xt_idxlist_get_num_indices(idxlist_src);
-   num_indices_dst = xt_idxlist_get_num_indices(idxlist_dst);
+   int num_indices_src = xt_idxlist_get_num_indices(idxlist_src),
+     num_indices_dst = xt_idxlist_get_num_indices(idxlist_dst);
 
    if (num_indices_src == 0 || num_indices_dst == 0)
      return xt_idxempty_new();

src/xt_idxsection.c

@@ -468,10 +468,8 @@ xt_idxsection_get_intersection(Xt_idxlist idxlist_src, Xt_idxlist idxlist_dst) {
 
   // both lists are index section:
 
-  Xt_idxsection idxsection_src, idxsection_dst;
-
-  idxsection_src = (Xt_idxsection)idxlist_src;
-  idxsection_dst = (Xt_idxsection)idxlist_dst;
+  Xt_idxsection idxsection_src = (Xt_idxsection)idxlist_src,
+    idxsection_dst = (Xt_idxsection)idxlist_dst;
 
   if (idxsection_src->ndim != idxsection_dst->ndim ||
       idxsection_src->global_start_index != idxsection_dst->global_start_index)