Add "UTF16" as a synonym for UTF-16 (bug #XERCESC-1198 - patch by Shin'ya MORINO)

git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@175880 13f79535-47bb-0310-9956-ffa450edef68

src/xercesc/util/TransService.cpp

@@ -456,6 +456,15 @@ void XMLTransService::initTransService()
         )
     );
     gMappings->put
+    (
+		(void*)XMLUni::fgUTF16EncodingString5,
+        new EEndianNameMapFor<XMLUTF16Transcoder>
+        (
+            XMLUni::fgUTF16EncodingString5
+            , false
+        )
+    );
+    gMappings->put
     (
 		(void*)XMLUni::fgUCS4EncodingString,
         new EEndianNameMapFor<XMLUCS4Transcoder>