Description: Fix build failure with proj-4.8.0.
Author: Matthias Klose <doko@ubuntu.com>
Bug-Debian: https://bugs.debian.org/733387

--- a/ogdi/datum_driver/usa/dtusa.c
+++ b/ogdi/datum_driver/usa/dtusa.c
@@ -124,7 +124,7 @@ int dyn_nad_init(privdata, table)
     strcat(pathfile,"/");  
     strcat(pathfile,table);  
 
-    ptr->dtptr = nad_init(pathfile);
+    ptr->dtptr = nad_init(pj_get_default_ctx(), pathfile);
     if (ptr->dtptr == NULL) {
       ptr->count--;
       return FALSE;
