runtime: Fix more typos (#13354)

* Fix more typos

* Fix typos in ignored runtime/ directory

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
index c79b702..af78ebc 100644
--- a/runtime/syntax/debcontrol.vim
+++ b/runtime/syntax/debcontrol.vim
@@ -22,7 +22,7 @@
 " Everything that is not explicitly matched by the rules below
 syn match debcontrolElse "^.*$"
 
-" Common seperators
+" Common separators
 syn match debControlComma ",[ \t]*"
 syn match debControlSpace "[ \t]"