Mark PyUnicode_FromUCS[124] as private
diff --git a/Objects/stringlib/ucs1lib.h b/Objects/stringlib/ucs1lib.h
index 4685c17..c0f7adf 100644
--- a/Objects/stringlib/ucs1lib.h
+++ b/Objects/stringlib/ucs1lib.h
@@ -19,7 +19,7 @@
#define STRINGLIB_FILL Py_UNICODE_FILL
#define STRINGLIB_STR PyUnicode_1BYTE_DATA
#define STRINGLIB_LEN PyUnicode_GET_LENGTH
-#define STRINGLIB_NEW PyUnicode_FromUCS1
+#define STRINGLIB_NEW _PyUnicode_FromUCS1
#define STRINGLIB_RESIZE not_supported
#define STRINGLIB_CHECK PyUnicode_Check
#define STRINGLIB_CHECK_EXACT PyUnicode_CheckExact
diff --git a/Objects/stringlib/ucs2lib.h b/Objects/stringlib/ucs2lib.h
index 1bb9c27..fc62fb7 100644
--- a/Objects/stringlib/ucs2lib.h
+++ b/Objects/stringlib/ucs2lib.h
@@ -19,7 +19,7 @@
#define STRINGLIB_FILL Py_UNICODE_FILL
#define STRINGLIB_STR PyUnicode_1BYTE_DATA
#define STRINGLIB_LEN PyUnicode_GET_LENGTH
-#define STRINGLIB_NEW PyUnicode_FromUCS2
+#define STRINGLIB_NEW _PyUnicode_FromUCS2
#define STRINGLIB_RESIZE not_supported
#define STRINGLIB_CHECK PyUnicode_Check
#define STRINGLIB_CHECK_EXACT PyUnicode_CheckExact
diff --git a/Objects/stringlib/ucs4lib.h b/Objects/stringlib/ucs4lib.h
index 776d65f..be1206a 100644
--- a/Objects/stringlib/ucs4lib.h
+++ b/Objects/stringlib/ucs4lib.h
@@ -19,7 +19,7 @@
#define STRINGLIB_FILL Py_UNICODE_FILL
#define STRINGLIB_STR PyUnicode_1BYTE_DATA
#define STRINGLIB_LEN PyUnicode_GET_LENGTH
-#define STRINGLIB_NEW PyUnicode_FromUCS4
+#define STRINGLIB_NEW _PyUnicode_FromUCS4
#define STRINGLIB_RESIZE not_supported
#define STRINGLIB_CHECK PyUnicode_Check
#define STRINGLIB_CHECK_EXACT PyUnicode_CheckExact