taxonomy_get_vocabularies() was renamed to taxonomy_vocabulary_get_names().

modules/taxonomy/views_handler_field_term_node_tid.inc

modules/taxonomy/views_handler_filter_term_node_tid.inc

...taxonomy/views_handler_filter_vocabulary_machine_name.inc

modules/taxonomy/views_handler_filter_vocabulary_vid.inc

...es/taxonomy/views_handler_relationship_node_term_data.inc

...s/taxonomy/views_plugin_argument_default_taxonomy_tid.inc

...taxonomy/views_plugin_argument_validate_taxonomy_term.inc