7186311: (props) "Unicode" is misspelled as "Uniocde" in JavaDoc and error message

Summary: to correct the typo
Reviewed-by: alanb, chegar

make/tools/src/build/tools/generatecharacter/CharacterName.java

@@ -11,7 +11,7 @@ public class CharacterName {
         FileReader reader = null;
         try {
             if (args.length != 2) {
-                System.err.println("Usage: java CharacterName UniocdeData.txt uniName.dat");
+                System.err.println("Usage: java CharacterName UnicodeData.txt uniName.dat");
                 System.exit(1);
             }
 

src/share/classes/java/util/Properties.java

@@ -304,7 +304,7 @@ class Properties extends Hashtable<Object,Object> {
      * preceded by a backslash still yield single and double quote
      * characters, respectively.
      *
-     * <li> Only a single 'u' character is allowed in a Uniocde escape
+     * <li> Only a single 'u' character is allowed in a Unicode escape
      * sequence.
      *
      * </ul>