[yelp] Fix crash on opening any .info doc

[Shaun McCance <shaunm src gnome org>]

commit 976c2f542b6ff3f22d2af8731fed30190a80226a
Author: Edward Sheldrake <ejsheldrake gmail com>
Date:   Tue Aug 30 20:55:49 2011 +0100

    Fix crash on opening any .info doc
    
    g_hash_table_lookup_extended was being called with an incorrect argument.

 libyelp/yelp-info-parser.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/libyelp/yelp-info-parser.c b/libyelp/yelp-info-parser.c
index e16b6be..559fbb2 100644
--- a/libyelp/yelp-info-parser.c
+++ b/libyelp/yelp-info-parser.c
@@ -611,11 +611,11 @@ get_value_after (const char* source, const char *key)
 static int
 node2page (GHashTable *nodes2pages, char *node)
 {
-  gint page;
+  gpointer p;
 
   if (g_hash_table_lookup_extended (nodes2pages, node,
-                                    NULL, (gpointer*) &page))
-    return page;
+                                    NULL, &p))
+    return GPOINTER_TO_INT(p);
 
   /* This shouldn't happen: we should only ever have to look up pages
    * that exist. */