FindLTTngUST: Fix version component extraction
The regex was greedy and slurped away all but the last digit, so 2.13.1 was for ex. detected as 2.3.1. Fix this by expecting a whitespace as separator.
(dont know why the info is just taken from pkgconfig)
Topic-rename: FindLTTngUST-fix-version-detect
Edited by Brad King