Add missing #define.
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index 2e27d74..9b498ee 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -176,6 +176,7 @@
# define PyUnicode_FromStringAndSize PyUnicodeUCS2_FromStringAndSize
# define PyUnicode_FromFormatV PyUnicodeUCS2_FromFormatV
# define PyUnicode_FromFormat PyUnicodeUCS2_FromFormat
+# define PyUnicode_FromWideChar PyUnicodeUCS2_FromWideChar
# define PyUnicode_GetDefaultEncoding PyUnicodeUCS2_GetDefaultEncoding
# define PyUnicode_GetMax PyUnicodeUCS2_GetMax
# define PyUnicode_GetSize PyUnicodeUCS2_GetSize