dir.c: fix missing dir invalidation in untracked code

diff --git a/t/t3101-ls-tree-dirname.sh b/t/t3101-ls-tree-dirname.sh
index 026f9f89d916fdd0547c58aed7bcba7f06850023..327ded4000b47cf3f4da42515fb803c47c0bd742 100755 (executable)
--- a/t/t3101-ls-tree-dirname.sh
+++ b/t/t3101-ls-tree-dirname.sh
@@ -16,7 +16,7 @@ This test runs git ls-tree with the following in a tree.
     path3/1.txt        - a file in a directory
     path3/2.txt        - a file in a directory
 
-Test the handling of mulitple directories which have matching file
+Test the handling of multiple directories which have matching file
 entries.  Also test odd filename and missing entries handling.
 '
 . ./test-lib.sh
@@ -35,7 +35,7 @@ test_expect_success 'setup' '
        echo 222 >path3/2.txt &&
        find *.txt path* \( -type f -o -type l \) -print |
        xargs git update-index --add &&
-       tree=`git write-tree` &&
+       tree=$(git write-tree) &&
        echo $tree
 '