patch 8.2.1779: some debian changelog files are not recognized

Problem:    Some debian changelog files are not recognized.
Solution:   Add */debian/changelog. (Jason Franklin)
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 8e41b1e..d871b49 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -128,6 +128,7 @@
     \ 'dart': ['file.dart', 'file.drt'],
     \ 'datascript': ['file.ds'],
     \ 'dcd': ['file.dcd'],
+    \ 'debchangelog': ['changelog.Debian', 'changelog.dch', 'NEWS.Debian', 'NEWS.dch', '/debian/changelog'],
     \ 'debcontrol': ['/debian/control'],
     \ 'debsources': ['/etc/apt/sources.list', '/etc/apt/sources.list.d/file.list'],
     \ 'def': ['file.def'],
diff --git a/src/version.c b/src/version.c
index b92e99b..39dcf2e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1779,
+/**/
     1778,
 /**/
     1777,