Clean backport of fix to rename `VERSION` to `VERSION.txt` to fix build breakage on Xcode 12.5.
------------- Commit messages: - 8268915: WebKit build fails with Xcode 12.5 Changes: https://git.openjdk.java.net/jfx11u/pull/31/files Webrev: https://webrevs.openjdk.java.net/?repo=jfx11u&pr=31&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8268915 Stats: 0 lines in 1 file changed: 0 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jfx11u/pull/31.diff Fetch: git fetch https://git.openjdk.java.net/jfx11u pull/31/head:pull/31 PR: https://git.openjdk.java.net/jfx11u/pull/31