Fix opposite translation

lambdalisue · lambdalisue · commit 6d5f4ee89dee · 2018-05-21T15:43:06.000+09:00
diff --git a/library/asyncio-sync.po b/library/asyncio-sync.po
@@ -408,7 +408,7 @@ msgstr ""
 
 #: ../../library/asyncio-sync.rst:278
 msgid "Returns ``True`` if semaphore can not be acquired immediately."
-msgstr "セマフォを直ちに獲得できる場合 ``True`` を返します。"
+msgstr "セマフォを直ちに獲得できない場合 ``True`` を返します。"
 
 #: ../../library/asyncio-sync.rst:282
 msgid ""
