misc: fix commonly doubled up words

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220707163720.1421716-5-berrange@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/include/user/safe-syscall.h b/include/user/safe-syscall.h
index 61a04e2..ddceef1 100644
--- a/include/user/safe-syscall.h
+++ b/include/user/safe-syscall.h
@@ -70,7 +70,7 @@
  * If the host libc is used then the implementation will appear to work
  * most of the time, but there will be a race condition where a
  * signal could arrive just before we make the host syscall inside libc,
- * and then then guest syscall will not correctly be interrupted.
+ * and then the guest syscall will not correctly be interrupted.
  * Instead the implementation of the guest syscall can use the safe_syscall
  * function but otherwise just return the result or errno in the usual
  * way; the main loop code will take care of restarting the syscall