oik_query_component_by_ID produces Allowed memory exhausted Fatal error when ID=0

[bobbingwide]

oik_query_component_by_ID does not properly handle a zero value for post ID, causing it to go recursive and fail by running out of memory.

Example where it fails:

• http://qw/oikcom/oik_shortcodes/bob-3/
• http://oik-plugins.com/oik_shortcodes/bob-3/