updated for version 7.3.1124
Problem:    Python: Crash on MS-Windows when os.fchdir() is not available.
Solution:   Check for _chdir to be NULL. (Ken Takata)
diff --git a/src/if_py_both.h b/src/if_py_both.h
index 945efe6..ae2c6bc 100644
--- a/src/if_py_both.h
+++ b/src/if_py_both.h
@@ -718,6 +718,8 @@
     PyObject	*todecref;
     char_u	*new_dir;
 
+    if (_chdir == NULL)
+	return NULL;
     if (!(r = PyObject_Call(_chdir, args, kwargs)))
 	return NULL;
 
diff --git a/src/version.c b/src/version.c
index cfe0b22..40f3df8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1124,
+/**/
     1123,
 /**/
     1122,