1.2.3dev: Fix incorrect file extension
1.2.3dev: Fix incorrect file extension

Refs #12578.


git-svn-id: 68cfa85dc440743b03ced815f1f2f5f2381a3d7a@16354 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac