docs: fix "without do cleaning" typo

From: Caleb Hill <[email protected]>

This pr fixes a typo I noticed today while reading documentation here:
https://git-scm.com/docs/git-clean#Documentation/git-clean.txt-quit

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docs: fix "without do cleaning" typo

This pr fixes a simple typo I noticed today while reading documentation here:
https://git-scm.com/docs/git-clean#Documentation/git-clean.txt-quit

Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-1572%2Fchill389cc%2Fmaster-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-1572/chill389cc/master-v1
Pull-Request: https://github.com/git/git/pull/1572

 Documentation/git-clean.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 160d08b86bb..5e1a3d5148c 100644
@@ -127,7 +127,7 @@ ask each::
 
 quit::
 
-  This lets you quit without do cleaning.
+  This lets you quit without doing any cleaning.
 
 help::
 

base-commit: 94e83dcf5b5faaa22e32729305f8fd7090bfdfed

gitgitgadget

Thanks; I'll reword the proposed log message a bit and queue.