Fix menu localization not updated for "Open Tab..." item (#12993)

THe menu item "Open Tab..." was changed to "Open &Tab..." in #12895 but
localization files were not updated. Update it here.

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/lang/menu_ko_kr.euckr.vim b/runtime/lang/menu_ko_kr.euckr.vim
index 59e9580..2dec6b7 100644
--- a/runtime/lang/menu_ko_kr.euckr.vim
+++ b/runtime/lang/menu_ko_kr.euckr.vim
@@ -31,7 +31,7 @@
 menutrans &File				ÆÄÀÏ(&F)
 menutrans &Open\.\.\.<Tab>:e		¿­±â(&O)\.\.\.<Tab>:e
 menutrans Sp&lit-Open\.\.\.<Tab>:sp	³ª´²¼­\ ¿­±â(&l)\.\.\.<Tab>:sp
-menutrans Open\ Tab\.\.\.<Tab>:tabnew	ÅÇ\ ¿­±â\.\.\.<Tab>:tabnew
+menutrans Open\ &Tab\.\.\.<Tab>:tabnew	ÅÇ\ ¿­±â\.\.\.<Tab>:tabnew
 menutrans &New<Tab>:enew		»õ·Î¿î(&N)<Tab>:enew
 menutrans &Close<Tab>:close		´Ý±â(&C)<Tab>:close
 menutrans &Save<Tab>:w			ÀúÀå(&S)<Tab>:w