fix field data cache setting: used under index.cache.field.type, available values: resident, soft, weak

Author: kimchy

modules/elasticsearch/src/main/java/org/elasticsearch/index/cache/field/data/FieldDataCacheModule.java

@@ -41,7 +41,7 @@ public FieldDataCacheModule(Settings settings) {
 
     @Override protected void configure() {
         bind(FieldDataCache.class)
-                .to(settings.getAsClass(FieldDataCacheSettings.FIELD_DATA_CACHE_TYPE, SoftFieldDataCache.class, "org.elasticsearch.index.cache.field.", "FieldDataCache"))
+                .to(settings.getAsClass(FieldDataCacheSettings.FIELD_DATA_CACHE_TYPE, SoftFieldDataCache.class, "org.elasticsearch.index.cache.field.data.", "FieldDataCache"))
                 .in(Scopes.SINGLETON);
     }
 }