Fix presto-function-server jar file missing when building presto image

Author: unidevel

presto-function-server/pom.xml

@@ -212,6 +212,22 @@
                             </execution>
                         </executions>
                     </plugin>
+                    <plugin>
+                        <groupId>org.skife.maven</groupId>
+                        <artifactId>really-executable-jar-maven-plugin</artifactId>
+                        <configuration>
+                            <flags>-Xms128m</flags>
+                            <classifier>executable</classifier>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>really-executable-jar</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
                 </plugins>
             </build>
         </profile>