CHANGE_TARGET -> BRANCH (#3186)

Signed-off-by: James Wallis <[email protected]>

Author: James Wallis

Jenkinsfile

@@ -290,7 +290,7 @@ pipeline {
 
                         ODO_DEVFILE_BRANCH="$BRANCH-devfile"
                         ODO_DEVFILE_VERSION=$ODO_DEVFILE_BRANCH
-                        if [ $CHANGE_TARGET == "master" ]; then
+                        if [ $BRANCH == "master" ]; then
                             ODO_DEVFILE_VERSION="devfile-9.9.9999"
                         fi
                         curl -Lfo ${SRC_DIR}/pfe/extensions/codewind-odo-extension-devfile-$VERSION.zip http://archive.eclipse.org/codewind/codewind-odo-extension/$ODO_DEVFILE_BRANCH/latest/codewind-odo-extension-$ODO_DEVFILE_VERSION.zip