It’s mostly agreeable. *The Shepherd: Border Patrol* functions as a decent, uncomplicated action movie. Jean-Claude Van Damme (as Jack) is the main draw, although Natalie J. Robb (Capt. García) delivers a reasonable performance. The villains, however, are very stereotypical and their actions are easy to anticipate. The film tries to incorporate some serious and meaningful plot threads that don’t really mesh we…