Declare getdns_error as extern

Author: saghul

getdns.c

@@ -47,6 +47,8 @@
 #include "pygetdns.h"
 
 
+PyObject *getdns_error;
+
 
 PyMethodDef Context_methods[] = {
     { "get_api_information", (PyCFunction)context_get_api_information,

pygetdns.h

@@ -39,7 +39,7 @@
 # define UNUSED_PARAM(x) ((void)(x))
 #endif
 
-PyObject *getdns_error;
+extern PyObject *getdns_error;
 
 typedef struct pygetdns_libevent_callback_data  {
     void *userarg;