Add missing <plugins> to sonatype-oss profile

pom.xml

@@ -179,35 +179,37 @@
     </profile>
     <profile>
       <id>sonatype-oss</id>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-deploy-plugin</artifactId>
-        <version>2.7</version>
-        <configuration>
-          <skip>true</skip>
-        </configuration>
-      </plugin>
-      <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.4.3</version>
-        <executions>
-          <execution>
-            <id>default-deploy</id>
-            <phase>deploy</phase>
-            <!-- By default, this is the phase deploy goal will bind to -->
-            <goals>
-              <goal>deploy</goal>
-            </goals>
-          </execution>
-        </executions>
-        <configuration>
-          <!-- The Base URL of Nexus instance where we want to stage -->
-          <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-          <!-- The server "id" element from settings to use authentication from -->
-          <serverId>sonatype-oss</serverId>
-        </configuration>
-      </plugin>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>2.7</version>
+          <configuration>
+            <skip>true</skip>
+          </configuration>
+        </plugin>
+        <plugin>
+          <groupId>org.sonatype.plugins</groupId>
+          <artifactId>nexus-staging-maven-plugin</artifactId>
+          <version>1.4.3</version>
+          <executions>
+            <execution>
+              <id>default-deploy</id>
+              <phase>deploy</phase>
+              <!-- By default, this is the phase deploy goal will bind to -->
+              <goals>
+                <goal>deploy</goal>
+              </goals>
+            </execution>
+          </executions>
+          <configuration>
+            <!-- The Base URL of Nexus instance where we want to stage -->
+            <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+            <!-- The server "id" element from settings to use authentication from -->
+            <serverId>sonatype-oss</serverId>
+          </configuration>
+        </plugin>
+      </plugins>
     </profile>
   </profiles>
 </project>