6900511: javac command line help broken

Reviewed-by: ksrini

src/share/classes/com/sun/tools/javac/main/JavacOption.java

@@ -130,7 +130,7 @@ public interface JavacOption {
         private static Map<String,Boolean> createChoices(String... choices) {
             Map<String,Boolean> map = new LinkedHashMap<String,Boolean>();
             for (String c: choices)
-                map.put(c, true);
+                map.put(c, false);
             return map;
         }