[libgdx] More pom changes

spine-libgdx/spine-libgdx/pom.xml

@@ -92,9 +92,17 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-release-plugin</artifactId>
 				<version>2.5.3</version>			
-				<configuration>
-					<pomFileName>spine-libgdx/spine-libgdx/pom.xml</pomFileName>
-				</configuration>
+				<executions>
+					<execution>
+						<id>default</id>
+						<goals>
+							<goal>perform</goal>
+						</goals>
+						<configuration>
+							<pomFile>spine-libgdx/spine-libgdx/pom.xml</pomFile>
+						</configuration>
+					</execution>
+				</executions>
 			</plugin>
 		</plugins>
 	</build>