[librsvg/librsvg-2.42] Fix find_light_source_in_children()

[Federico Mena Quintero <federico src gnome org>]

commit ed00b08d1c4a0e653a94b0f9e8499b7555ea5143
Author: Ivan Molodetskikh <yalterz gmail com>
Date:   Fri Jun 8 11:29:45 2018 -0500

    Fix find_light_source_in_children()
    
    Part of (#241).

 librsvg/rsvg-filter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/librsvg/rsvg-filter.c b/librsvg/rsvg-filter.c
index 3b52362d..15803188 100644
--- a/librsvg/rsvg-filter.c
+++ b/librsvg/rsvg-filter.c
@@ -4911,7 +4911,7 @@ find_light_source_in_children (RsvgNode *node)
     iter = rsvg_node_children_iter_begin (node);
 
     while (rsvg_node_children_iter_next_back (iter, &child)) {
-        if (rsvg_node_get_type (node) == RSVG_NODE_TYPE_LIGHT_SOURCE) {
+        if (rsvg_node_get_type (child) == RSVG_NODE_TYPE_LIGHT_SOURCE) {
             break;
         }