change unique_prefix_length=4 for japanese.h

I ran some tests, and all prefixes seem to be unique for len(3)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mnemonics/japanese.h b/src/mnemonics/japanese.h
index 5f7adce18..ad06a58a2 100644
--- a/src/mnemonics/japanese.h
+++ b/src/mnemonics/japanese.h
@@ -1681,7 +1681,7 @@ namespace Language
         "びじゅつかん",

         "ひしょ"

       });

-      unique_prefix_length = 4;

+      unique_prefix_length = 3;

       word_map = new std::unordered_map<std::string, uint32_t>;

       trimmed_word_map = new std::unordered_map<std::string, uint32_t>;

       language_name = "Japanese";