t3206: remove spaces after redirect operators

For shell scripts, the usual convention is for there to be no space
after redirection operators, (e.g. `>file`, not `> file`). Remove the
one instance of this.

Signed-off-by: Denton Liu <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: Denton-L

t/t3206-range-diff.sh

@@ -8,7 +8,7 @@ test_description='range-diff tests'
 # harm than good.  We need some real history.
 
 test_expect_success 'setup' '
-	git fast-import < "$TEST_DIRECTORY"/t3206/history.export &&
+	git fast-import <"$TEST_DIRECTORY"/t3206/history.export &&
 	test_oid_cache <<-EOF
 	# topic
 	t1 sha1:4de457d