Update sonarqube.groovy

src/org/devops/sonarqube.groovy

@@ -9,7 +9,7 @@ def SonarScan (projectName,projectPath,projectVersion){
     
     sh '''
     /var/jenkins_home/tools/hudson.plugins.sonar.SonarRunnerInstallation/sonar-test/bin/sonar-scanner -Dsonar.host.url=${sonarServer} \
-    -Dsonar.projectKey=${projectName} \
+    -Dsonar.projectKey=${JOB_NAME} \
     -Dsonar.projectName=${projectName} \
     -Dsonar.projectVersion=${projectVersion} \
     -Dsonar.language=java \