patch 9.1.1176: wrong indent when expanding multiple lines

Problem:  wrong indentation of lastline when expanding multiple lines
Solution: Check OPENLINE_FORCE_INDENT flag in open_line() (glepnir)

closes: #16786

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 6553fa4..65c7169 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1176,
+/**/
     1175,
 /**/
     1174,