[jhbuild] Add Korean to the DOC_LINGUAS list

[Changwoo Ryu <cwryu src gnome org>]

commit cb1a4559deb95c032da20a9bfa27b7ce7a279bfc
Author: Seong-ho Cho <shcho gnome org>
Date:   Tue Mar 5 22:41:20 2019 +0900

    Add Korean to the DOC_LINGUAS list

 doc/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/doc/Makefile.am b/doc/Makefile.am
index d1974517..b3f9a07a 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -2,7 +2,7 @@
 
 HELP_ID = jhbuild
 
-HELP_LINGUAS = cs de el es fr ja pt_BR ru sl sv zh_CN
+HELP_LINGUAS = cs de el es fr ja ko pt_BR ru sl sv zh_CN
 
 HELP_FILES = index.docbook