Change a variable to Py_ssize_t to silence a compiler warning (and because it
is more appropriate).
diff --git a/Modules/datetimemodule.c b/Modules/datetimemodule.c
index 6b2cd5a..9342b19 100644
--- a/Modules/datetimemodule.c
+++ b/Modules/datetimemodule.c
@@ -1197,7 +1197,7 @@
int usednew; /* number bytes used so far in output format buffer */
const char *ptoappend;/* pointer to string to append to output buffer */
- int ntoappend; /* # of bytes to append to output buffer */
+ Py_ssize_t ntoappend; /* # of bytes to append to output buffer */
assert(object && format && timetuple);
assert(PyUnicode_Check(format));