[maven-release-plugin] prepare release antlr4-master-4.9.3

Author: ericvergnaud

pom.xml

@@ -163,7 +163,12 @@
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-javadoc-plugin</artifactId>
 				</plugin>
-			</plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-release-plugin</artifactId>
+                    <version>2.5.3</version>
+                </plugin>
+            </plugins>
 		</pluginManagement>
 	</build>
 </project>