Update vars/sonarScan.groovy

vars/sonarScan.groovy

@@ -2,16 +2,16 @@
 // Run a SonarQube analysis from the scanner container.
 // Usage: sonarScan('my-project-key')
 def call(String projectKey, Map config = [:]) {
-    def host = config.host ?: 'http://10.0.1.4:9000'
+    def host    = config.host    ?: 'http://10.0.1.4:9000'
     def sources = config.sources ?: '.'
     container('scanner') {
         stage('SonarQube analysis') {
             withCredentials([string(credentialsId: 'sonarqube-token', variable: 'SONAR_TOKEN')]) {
                 sh """
-                    sonar-scanner \
-                      -Dsonar.host.url=${host} \
-                      -Dsonar.projectKey=${projectKey} \
-                      -Dsonar.sources=${sources} \
+                    sonar-scanner \\
+                      -Dsonar.host.url=${host} \\
+                      -Dsonar.projectKey=${projectKey} \\
+                      -Dsonar.sources=${sources} \\
                       -Dsonar.token=\${SONAR_TOKEN}
                 """
             }