[Java] Fix warnings.

Author: mjpt777

sbe-tool/src/main/java/uk/co/real_logic/sbe/xml/EnumType.java

@@ -87,7 +87,7 @@ public EnumType(final Node node, final String givenName, final String referenced
  default:
  // might not have ran into this type yet, so look for it
  final Node encodingTypeNode = (Node)xPath.compile(
- String.format("%s[@name=\'%s\']", XmlSchemaParser.TYPE_XPATH_EXPR, encodingTypeStr))
+ String.format("%s[@name='%s']", XmlSchemaParser.TYPE_XPATH_EXPR, encodingTypeStr))
  .evaluate(node.getOwnerDocument(), XPathConstants.NODE);
 
  if (null == encodingTypeNode)

sbe-tool/src/main/java/uk/co/real_logic/sbe/xml/XmlSchemaParser.java

@@ -341,17 +341,12 @@ public static String getAttributeValueOrNull(final Node elementNode, final Strin
  */
  public static ByteOrder getByteOrder(final String byteOrderName)
  {
- switch (byteOrderName)
+ if ("bigEndian".equals(byteOrderName))
  {
- case "littleEndian":
- return ByteOrder.LITTLE_ENDIAN;
-
- case "bigEndian":
- return ByteOrder.BIG_ENDIAN;
-
- default:
- return ByteOrder.LITTLE_ENDIAN;
+ return ByteOrder.BIG_ENDIAN;
  }
+
+ return ByteOrder.LITTLE_ENDIAN;
  }
 
  /**