Fix quotes for real this time (#414)

Author: jackfirth

private/git.rkt

@@ -68,6 +68,6 @@
 
 
 (define (git-commit! message)
-  (define escaped-message (string-replace message "'" "\\'"))
-  (unless (system (format "git commit --all --quiet --message='~a'" escaped-message))
+  (define escaped-message (string-replace message "\"" "\\\""))
+  (unless (system (format "git commit --all --quiet --message=\"~a\"" escaped-message))
     (raise-arguments-error 'git-commit! "committing files to Git failed")))