t7004: use indented here-doc

Use <<-\EOF instead of <<\EOF where the latter allows us to indent
the body of the here-doc.

Signed-off-by: AbdAlRahman Gad <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: AbdAlRahmanGad

t/t7004-tag.sh

@@ -375,21 +375,21 @@ test_expect_success 'tag -l <pattern> -l <pattern> works, as our buggy documenta
 
 test_expect_success 'listing tags in column' '
 	COLUMNS=41 git tag -l --column=row >actual &&
-	cat >expected <<\EOF &&
-a1      aa1     cba     t210    t211
-v0.2.1  v1.0    v1.0.1  v1.1.3
-EOF
+	cat >expected <<-\EOF &&
+	a1      aa1     cba     t210    t211
+	v0.2.1  v1.0    v1.0.1  v1.1.3
+	EOF
 	test_cmp expected actual
 '
 
 test_expect_success 'listing tags in column with column.*' '
 	test_config column.tag row &&
 	test_config column.ui dense &&
 	COLUMNS=40 git tag -l >actual &&
-	cat >expected <<\EOF &&
-a1      aa1   cba     t210    t211
-v0.2.1  v1.0  v1.0.1  v1.1.3
-EOF
+	cat >expected <<-\EOF &&
+	a1      aa1   cba     t210    t211
+	v0.2.1  v1.0  v1.0.1  v1.1.3
+	EOF
 	test_cmp expected actual
 '
 
@@ -400,17 +400,17 @@ test_expect_success 'listing tag with -n --column should fail' '
 test_expect_success 'listing tags -n in column with column.ui ignored' '
 	test_config column.ui "row dense" &&
 	COLUMNS=40 git tag -l -n >actual &&
-	cat >expected <<\EOF &&
-a1              Foo
-aa1             Foo
-cba             Foo
-t210            Foo
-t211            Foo
-v0.2.1          Foo
-v1.0            Foo
-v1.0.1          Foo
-v1.1.3          Foo
-EOF
+	cat >expected <<-\EOF &&
+	a1              Foo
+	aa1             Foo
+	cba             Foo
+	t210            Foo
+	t211            Foo
+	v0.2.1          Foo
+	v1.0            Foo
+	v1.0.1          Foo
+	v1.1.3          Foo
+	EOF
 	test_cmp expected actual
 '