HDDS-973. HDDS/Ozone fail to build on Windows.

Contributed by Xiaoyu Yao.

hadoop-hdds/docs/pom.xml

@@ -46,7 +46,13 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
           </execution>
         </executions>
         <configuration>
-          <executable>dev-support/bin/generate-site.sh</executable>
+          <executable>${shell-executable}</executable>
+          <workingDirectory>${project.build.directory}</workingDirectory>
+          <arguments>
+            <argument>${basedir}/dev-support/bin/generate-site.sh</argument>
+            <argument>${hdds.version}</argument>
+            <argument>${project.build.directory}</argument>
+          </arguments>
         </configuration>
       </plugin>
       <plugin>