Merge pull request #2851 from recena/version-number

[JENKINS-43733] Pick up the latest release of version-number library

core/pom.xml

@@ -65,7 +65,7 @@ THE SOFTWARE.
     <dependency>
       <groupId>org.jenkins-ci</groupId>
       <artifactId>version-number</artifactId>
-      <version>1.3</version>
+      <version>1.4</version>
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci</groupId>

core/src/main/java/hudson/diagnosis/OldDataMonitor.java

@@ -272,9 +272,9 @@ public class OldDataMonitor extends AdministrativeMonitor {
          * @return True if the major version# differs or the minor# differs by ≥ threshold
          */
         public boolean isOld(int threshold) {
-            return currentVersion != null && min != null && (currentVersion.digit(0) > min.digit(0)
-                    || (currentVersion.digit(0) == min.digit(0)
-                    && currentVersion.digit(1) - min.digit(1) >= threshold));
+            return currentVersion != null && min != null && (currentVersion.getDigitAt(0) > min.getDigitAt(0)
+                    || (currentVersion.getDigitAt(0) == min.getDigitAt(0)
+                    && currentVersion.getDigitAt(1) - min.getDigitAt(1) >= threshold));
         }
 
     }