upgraded the dependency on wildfly-core to include the latest PatchMerger class

Author: aloubyansky

patch-gen-maven-plugin/pom.xml

@@ -20,23 +20,19 @@
             <artifactId>patch-gen</artifactId>
             <version>${project.version}</version>
         </dependency>
-
         <dependency>
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-plugin-api</artifactId>
-            <version>2.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.plugin-tools</groupId>
             <artifactId>maven-plugin-annotations</artifactId>
-            <version>3.2</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.shared</groupId>
             <artifactId>maven-shared-utils</artifactId>
-            <version>3.1.0</version>
         </dependency>
     </dependencies>
 

patch-gen/src/main/java/org/jboss/as/patching/generator/PatchGenerator.java

@@ -41,6 +41,7 @@
 import org.jboss.as.patching.ZipUtils;
 import org.jboss.as.patching.logging.PatchLogger;
 import org.jboss.as.patching.metadata.Patch;
+import org.jboss.as.patching.metadata.PatchMerger;
 import org.jboss.as.version.ProductConfig;
 import org.jboss.modules.Module;