Mark tests that use symlinks as needing SYMLINKS prerequisite

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t3509-cherry-pick-merge-df.sh

@@ -3,7 +3,7 @@
 test_description='Test cherry-pick with directory/file conflicts'
 . ./test-lib.sh
 
-test_expect_success 'Setup rename across paths each below D/F conflicts' '
+test_expect_success SYMLINKS 'Setup rename across paths each below D/F conflicts' '
 	mkdir a &&
 	>a/f &&
 	git add a &&
@@ -26,7 +26,7 @@ test_expect_success 'Setup rename across paths each below D/F conflicts' '
 	git commit -m f1
 '
 
-test_expect_success 'Cherry-pick succeeds with rename across D/F conflicts' '
+test_expect_success SYMLINKS 'Cherry-pick succeeds with rename across D/F conflicts' '
 	git reset --hard &&
 	git checkout master^0 &&
 	git cherry-pick branch

t/t9350-fast-export.sh

@@ -376,7 +376,7 @@ test_expect_success 'tree_tag-obj'    'git fast-export tree_tag-obj'
 test_expect_success 'tag-obj_tag'     'git fast-export tag-obj_tag'
 test_expect_success 'tag-obj_tag-obj' 'git fast-export tag-obj_tag-obj'
 
-test_expect_success 'directory becomes symlink'        '
+test_expect_success SYMLINKS 'directory becomes symlink'        '
 	git init dirtosymlink &&
 	git init result &&
 	(