Fixed sonar warning.

Author: javadev

src/main/java/g0201_0300/s0211_design_add_and_search_words_data_structure/WordDictionary.java

@@ -3,6 +3,7 @@
 // #Medium #String #Depth_First_Search #Design #Trie
 // #2023_01_06_Time_308_ms_(99.46%)_Space_284.7_MB_(13.25%)
 
+@SuppressWarnings("java:S1186")
 public class WordDictionary {
 
     public WordDictionary() {}