Followup to svn rev57551

Perhaps real fix would be to make all parts of blender
mandatory and not switchable off, so every area of code
would be compiled and verified after no-functional-changes
commits.

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@57567 954f8c5b-7b00-dc11-b283-0030488c597c
Fix #35773: Drag-to-Open failed in Movie Clip Editor

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@57568 954f8c5b-7b00-dc11-b283-0030488c597c