[gcc r12-6020] Fixed typo

[Martin Liska]

https://gcc.gnu.org/g:06cd44b4387a9f6ab46f377f42ee5be9cf11bf15

commit r12-6020-g06cd44b4387a9f6ab46f377f42ee5be9cf11bf15
Author: Matthias Seidel <mseidel@apache.org>
Date:   Wed Jun 23 20:35:24 2021 +0200

    Fixed typo
    
    ChangeLog:
    
            * config.sub: Fix typo.

Diff:
---
 config.sub | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/config.sub b/config.sub
index 63c1f1c8b5e..df29f5c3e89 100755
--- a/config.sub
+++ b/config.sub
@@ -1283,7 +1283,7 @@ esac
 if test x$basic_os != x
 then
 
-# First recognize some ad-hoc caes, or perhaps split kernel-os, or else just
+# First recognize some ad-hoc cases, or perhaps split kernel-os, or else just
 # set os.
 case $basic_os in
 	gnu/linux*)