patch 8.2.2277: missing backslash

Problem:    Missing backslash.
Solution:   Add backslash.
diff --git a/Filelist b/Filelist
index 5151869..04a4332 100644
--- a/Filelist
+++ b/Filelist
@@ -4,7 +4,7 @@
 # source files for all source archives
 SRC_ALL =	\
 		.cirrus.yml \
-		.coveralls.yml
+		.coveralls.yml \
 		.gitattributes \
 		.github/CODEOWNERS \
 		.github/workflows/ci.yml \
diff --git a/src/version.c b/src/version.c
index b344129..7d720f7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2277,
+/**/
     2276,
 /**/
     2275,