patch 8.2.4778: pacman files use dosini filetype

Problem:    Pacman files use dosini filetype.
Solution:   Use conf instead. (Chaoren Lin, closes #10213)
diff --git a/src/version.c b/src/version.c
index 5849bb3..b30b5bb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4778,
+/**/
     4777,
 /**/
     4776,