[librsvg] Don't use node1 == node2; use rsvg_node_is_same()

[Federico Mena Quintero <federico src gnome org>]

commit 739c73cfe8c3c9f3a328cf24592faa0945834477
Author: Federico Mena Quintero <federico gnome org>
Date:   Thu Feb 16 21:47:55 2017 -0600

    Don't use node1 == node2; use rsvg_node_is_same()
    
    The former is invalid now.

 rsvg-base.c   |    2 +-
 rsvg-styles.c |   12 +++---------
 2 files changed, 4 insertions(+), 10 deletions(-)
---
diff --git a/rsvg-base.c b/rsvg-base.c
index 9279e0d..78beb70 100644
--- a/rsvg-base.c
+++ b/rsvg-base.c
@@ -1650,7 +1650,7 @@ rsvg_handle_get_position_sub (RsvgHandle * handle, RsvgPositionData * position_d
     node = rsvg_defs_lookup (handle->priv->defs, id);
     if (!node) {
         return FALSE;
-    } else if (node == handle->priv->treebase) {
+    } else if (rsvg_node_is_same (node, handle->priv->treebase)) {
         /* Root node. */
         position_data->x = 0;
         position_data->y = 0;
diff --git a/rsvg-styles.c b/rsvg-styles.c
index ba6acc3..a7e1559 100644
--- a/rsvg-styles.c
+++ b/rsvg-styles.c
@@ -1758,8 +1758,8 @@ rsvg_state_reinherit_top (RsvgDrawingCtx * ctx, RsvgState * state, int dominate)
     }
 }
 
-static void
-reconstruct_helper (RsvgState *state, RsvgNode *current)
+void
+rsvg_state_reconstruct (RsvgState *state, RsvgNode *current)
 {
     RsvgNode *currents_parent;
 
@@ -1768,15 +1768,9 @@ reconstruct_helper (RsvgState *state, RsvgNode *current)
 
     currents_parent = rsvg_node_get_parent (current);
 
-    reconstruct_helper (state, currents_parent);
+    rsvg_state_reconstruct (state, currents_parent);
 
     currents_parent = rsvg_node_unref (currents_parent);
 
     rsvg_state_inherit (state, rsvg_node_get_state (current));
 }
-
-void
-rsvg_state_reconstruct (RsvgState * state, RsvgNode * current)
-{
-    reconstruct_helper (state, current);
-}