Fix triggers on ONOS app branches

Change-Id: I6bb8cb471ebd30d03518789669074a785a1c40bb
diff --git a/jjb/verify/igmpproxy.yaml b/jjb/verify/igmpproxy.yaml
index 9801154..3ad0794 100644
--- a/jjb/verify/igmpproxy.yaml
+++ b/jjb/verify/igmpproxy.yaml
@@ -14,7 +14,7 @@
           junit-allow-empty-results: true
 
       - 'igmpproxy-jobs-legacy':
-          branch-regexp: '^(igmpproxy-1.3)$'
+          branch-regexp: '^(igmpproxy-1.2)$'
           jdk-distribution: 'java-1.8.0-amazon-corretto'
           name-extension: '-jdk8'
           junit-allow-empty-results: true