patch 8.2.1276: MS-Windows: system test may fail if more.exe is installed

Problem:    MS-Windows: system test may fail if more.exe is installed.
Solution:   Explicitly use more.com. (Taro Muraoka, Ken Takata, closes #6517)
diff --git a/src/testdir/test_system.vim b/src/testdir/test_system.vim
index d597873..9e63f51 100644
--- a/src/testdir/test_system.vim
+++ b/src/testdir/test_system.vim
@@ -13,9 +13,9 @@
   else
     call assert_equal("123\n", system('echo 123'))
     call assert_equal(["123\r"], systemlist('echo 123'))
-    call assert_equal("123\n",   system('more', '123'))
-    call assert_equal(["123\r"], systemlist('more', '123'))
-    call assert_equal(["as\r", "df\r"], systemlist('more', ["as\<NL>df"]))
+    call assert_equal("123\n",   system('more.com', '123'))
+    call assert_equal(["123\r"], systemlist('more.com', '123'))
+    call assert_equal(["as\r", "df\r"], systemlist('more.com', ["as\<NL>df"]))
   endif
 
   new Xdummy
@@ -42,7 +42,7 @@
     let out = systemlist('cat', bufnr('%'))
     call assert_equal(['asdf', "pw\<NL>er", 'xxxx'],  out)
   else
-    let out = systemlist('more', bufnr('%'))
+    let out = systemlist('more.com', bufnr('%'))
     call assert_equal(["asdf\r", "pw\r", "er\r", "xxxx\r"],  out)
   endif
   bwipe!
diff --git a/src/version.c b/src/version.c
index 3489c45..e0115c6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1276,
+/**/
     1275,
 /**/
     1274,