Fix make check after refactoring of content_provider

src/tests/edi_test_content_provider.c

@@ -6,6 +6,12 @@
 
 #include "edi_suite.h"
 
+// Add some no-op methods here so linking works without having to import the whole UI!
+EAPI Evas_Object *edi_editor_add(Evas_Object *parent, Edi_Mainview_Item *item)
+{
+   return NULL;
+}
+
 START_TEST (edi_test_content_provider_id_lookup)
 {
    Edi_Content_Provider *provider;