SEBA-650: Update golang to 1.12

Change-Id: Iee98a7dac8d94d92c7108458c81e261744a52207
diff --git a/jjb/shell/make-unit.sh b/jjb/shell/make-unit.sh
index 4c83ea8..cb2ddf1 100755
--- a/jjb/shell/make-unit.sh
+++ b/jjb/shell/make-unit.sh
@@ -33,7 +33,7 @@
 if [ ! -z "$DEST_GOPATH" ]; then
   export GOPATH=${GOPATH:-~/go}
   mkdir -p "$GOPATH/src/$DEST_GOPATH"
-  export PATH=$PATH:/usr/lib/go-1.10/bin:/usr/local/go/bin:$GOPATH/bin
+  export PATH=$PATH:/usr/lib/go-1.12/bin:/usr/local/go/bin:$GOPATH/bin
   test_path="$GOPATH/src/$DEST_GOPATH/$GERRIT_PROJECT"
   ln -r -s "$WORKSPACE/$GERRIT_PROJECT" "$test_path"
 else