patch 9.1.0737: tests: screendump tests may require a bit more time

Problem:  Asynchronous terminal jobs occassionally require more time
          to complete and redraw the window
Solution: increase the sleep value from 10 to 50 milliseconds
          (Aliaksei Budavei)

closes: #15695

Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index d5aed36..5f20651 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    737,
+/**/
     736,
 /**/
     735,