Fix coverage report path in Jenkinsfile

Signed-off-by: twi-devel <torsten.wierschin@life-maps.com>
Entire-Checkpoint: fe28abf8a219

Jenkinsfile

@@ -137,7 +137,7 @@ pipeline {
           }
           post {
             always {
-              recordCoverage tools: [[parser: 'LCOV', pattern: 'coverage/lcov.info']],
+              recordCoverage tools: [[parser: 'LCOV', pattern: "${COVERAGE_BUILD_DIR}/coverage/lcov.info"]],
                              sourceCodeRetention: 'LAST_BUILD'
             }
           }