Update translation from Transifex

Author: m-aciek

c-api/complex.po

@@ -24,7 +24,7 @@ msgstr ""
 "%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3);\n"
 
 msgid "Complex Number Objects"
-msgstr ""
+msgstr "Objekt Liczby Zespolonej"
 
 msgid ""
 "Python's complex number objects are implemented as two distinct types when "