fixup! survey: add object count summary

This squelches the `check-whitespace` errors.

Signed-off-by: Johannes Schindelin <[email protected]>

t/t8100-git-survey.sh

@@ -34,15 +34,15 @@ test_expect_success 'git survey (default)' '
 	git survey --all-refs >out 2>err &&
 	test_line_count = 0 err &&
 
-	cat >expect <<-EOF &&
+	tr , " " >expect <<-EOF &&
 	GIT SURVEY for "$(pwd)"
 	-----------------------------------------------------
 
 	REFERENCES SUMMARY
 	========================
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 	-----------------+------
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+	,       Branches |     1
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 	Tags (annotated) |     2