[PATCH] Missing test_done

All test scripts should end with test_done, which reports the test
results.  In the future, it could be used for other purposes, e.g. to
distinguish graceful end from "exit" in a test.  This patch fixes
scripts that don't call test_done.
Signed-off-by: NPavel Roskin <proski@gnu.org>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

t/t2003-checkout-cache-mkdir.sh

@@ -93,3 +93,4 @@ test_expect_success \
      test -d tmp-path1 &&
      test -f tmp-path1/file1'
 
+test_done

t/t3001-ls-files-others-exclude.sh

@@ -66,3 +66,5 @@ test_expect_success \
        --exclude-from=.git/ignore \
        >output &&
      diff -u expect output'
+
+test_done

t/t4101-apply-nonl.sh

@@ -30,3 +30,5 @@ do
 	"git-apply <diff.$i-$j && diff frotz.$j frotz"
   done
 done
+
+test_done

t/t5400-send-pack.sh

@@ -52,3 +52,5 @@ test_expect_success \
 	git-send-pack --force ./victim/.git/ master &&
 	cmp victim/.git/refs/heads/master .git/refs/heads/master
 '
+
+test_done