patch 9.0.1076: ASAN complains about NULL argument

Problem:    ASAN complains about NULL argument.
Solution:   Skip memmove() when there is nothing to move.
diff --git a/src/version.c b/src/version.c
index a734f55..f1a34b5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1076,
+/**/
     1075,
 /**/
     1074,