Specify default values of semantic booleans in Argument Clinic generated signatures as booleans.
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index d2b52c7..c576678 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -2942,7 +2942,7 @@
 /*[clinic input]
 bytes.splitlines
 
-    keepends: int(py_default="False") = 0
+    keepends: int(c_default="0") = False
 
 Return a list of the lines in the bytes, breaking at line boundaries.
 
@@ -2952,7 +2952,7 @@
 
 static PyObject *
 bytes_splitlines_impl(PyBytesObject*self, int keepends)
-/*[clinic end generated code: output=995c3598f7833cad input=ddb93e3351080c8c]*/
+/*[clinic end generated code: output=995c3598f7833cad input=7f4aac67144f9944]*/
 {
     return stringlib_splitlines(
         (PyObject*) self, PyBytes_AS_STRING(self),