patch 9.1.0262: Test for TextChanged is flaky with ASAN

Problem:  Test for TextChanged is flaky with ASAN.
Solution: Wait for the file to be non-empty.
          (zeertzjq)

closes: #14404

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 450e0d8..d31484a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    262,
+/**/
     261,
 /**/
     260,