t0024: style fix

t0024 has multiple command invocations on a single line, which
goes against the style described in CodingGuidelines, thus fix
that.

Also, use the -C flag to give the destination when using $TAR,
therefore, not requiring a subshell.

Signed-off-by: Ghanshyam Thakkar <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: spectre10

t/t0024-crlf-archive.sh

@@ -20,7 +20,8 @@ test_expect_success setup '
 test_expect_success 'tar archive' '
 
 	git archive --format=tar HEAD >test.tar &&
-	( mkdir untarred && cd untarred && "$TAR" -xf ../test.tar ) &&
+	mkdir untarred &&
+	"$TAR" xf test.tar -C untarred &&
 
 	test_cmp sample untarred/sample
 
@@ -30,7 +31,11 @@ test_expect_success UNZIP 'zip archive' '
 
 	git archive --format=zip HEAD >test.zip &&
 
-	( mkdir unzipped && cd unzipped && "$GIT_UNZIP" ../test.zip ) &&
+	mkdir unzipped &&
+	(
+		cd unzipped &&
+		"$GIT_UNZIP" ../test.zip
+	) &&
 
 	test_cmp sample unzipped/sample