fix some error for passing CI build.

lib/ansible/modules/extras/windows/win_file_version.ps1

@@ -16,7 +16,7 @@
 #You should have received a copy of the GNU General Public License
 #along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# WAIT_JSON
+# WANT_JSON
 # POWERSHELL_COMMON
 
 $params = Parse-Args $args;

lib/ansible/modules/extras/windows/win_file_version.py

@@ -20,7 +20,7 @@
 DOCUMENTATION = '''
 ---
 module: win_file_version
-version_added: "2.0"
+version_added: "2.1"
 short_descriptions: Get DLL or EXE file build version
 description:
   - Get DLL or EXE file build version
@@ -29,7 +29,8 @@ options:
   path:
     description:
       - File to get version(provide absolute path)
-
+    required: true
+    aliases: []
 author: Sam Liu
 '''
 
@@ -44,3 +45,41 @@ EXAMPLES = '''
 - debug: msg="{{exe_file_version}}"
 
 '''
+
+RETURN = """
+win_file_version.path:
+  description: file path
+  returned: always
+  type: string
+
+win_file_version.file_version:
+  description: file version number.
+  returned: no error
+  type: string
+
+win_file_version.product_version:
+  description: the version of the product this file is distributed with.
+  returned: no error
+  type: string
+
+win_file_version.file_major_part:
+  description: the major part of the version number.
+  returned: no error
+  type: string
+
+win_file_version.file_minor_part:
+  description: the minor part of the version number of the file.
+  returned: no error
+  type: string
+
+win_file_version.file_build_part:
+  description: build number of the file.
+  returned: no error
+  type: string
+
+win_file_version.file_private_part:
+  description: file private part number.
+  returned: no error
+  type: string
+
+"""