On Tuesday, Apple issued a minor update to the OS X version of iMovie, bringing it to v10.0.4. The new version sports only a single bug fix, along with the usual “stability improvements” tweaking. The update addresses an issue that would occasionally cause iMovie to crash or quit unexpectedly. It’s not clear if the fix is related to a previous minor update that also addressed a crashing bug. Current iMovie owners can update through Software Update; new users can buy the OS X version of the app for $15 (a version for iOS is also available)….