ad9dd30 coverity 12488 Resource leak In attr_index_config(): Leak of memory or pointers to system resources

Authored and Committed by rmeggins 7 years ago
    coverity 12488 Resource leak In attr_index_config(): Leak of memory or pointers to system resources
    
    need to free "a" in case of error return
    Reviewed by: nhosoi (Thanks!)