search-provider: fix the build

search-provider/control-center-search-provider.h

@@ -40,7 +40,7 @@ typedef struct {
 
 #define CC_SEARCH_PROVIDER_APP(obj) \
   (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-  GNOME_TYPE_CONTROL_CENTER_APP, CcSearchProviderApp))
+  CC_TYPE_SEARCH_PROVIDER_APP, CcSearchProviderApp))
 
 GType cc_search_provider_app_get_type (void) G_GNUC_CONST;