While the iPhone, iPod touch, and iPad generally do a good job of rotating images to their proper orientation, every once in a while an odd grip or shot will confound it, leaving you with some work to do before it’s ready to share or archive. Luckily, there’s an easy—and built-in—way to fix this. Simply select the photo you need to fix, tap the Edit button, and tap the rotate button—it’s the one that looks like…