patch 8.1.1074: Python test doesn't wipe out hidden buffer

Problem:    Python test doesn't wipe out hidden buffer.
Solution:   Wipe out the buffer. (Ben Jackson, closes #4189)
diff --git a/src/version.c b/src/version.c
index 1921131..01268b1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -776,6 +776,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1074,
+/**/
     1073,
 /**/
     1072,