Update version of regtest for backport

diff --git a/input/regression/horizontal-bracket-tweak.ly b/input/regression/horizontal-bracket-tweak.ly
index ebd70698d5931f1b3f7d4f0b24bbf9d2b5183102..4a7b9a9d3c2697bd7c925984a777fe430063efef 100644 (file)
--- a/input/regression/horizontal-bracket-tweak.ly
+++ b/input/regression/horizontal-bracket-tweak.ly
@@ -1,4 +1,4 @@
-\version "2.15.5"
+\version "2.14.2"
 
 \header {
   texidoc = "Horizontal brackets are created with the correct event-cause, ensuring