master 797ff44 2/2: Fix shellcheck warning

[Stefan Kangas]

branch: master
commit 797ff44d53ef4c4b800de8467b403c876cac3c1f
Author: Stefan Kangas <stefan@marxist.se>
Commit: Stefan Kangas <stefan@marxist.se>

    Fix shellcheck warning
    
    * build-aux/update-subdirs: Fix issue indicated by the shellcheck
    linter (warning SC2046).
---
 build-aux/update-subdirs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-aux/update-subdirs b/build-aux/update-subdirs
index 336029f..96712f0 100755
--- a/build-aux/update-subdirs
+++ b/build-aux/update-subdirs
@@ -26,7 +26,7 @@ for file in *; do
        *.elc | *.el | term | RCS | CVS | Old | . | .. | =* | *~ | *.orig | 
*.rej)
          ;;
        *)
-           if [ -d $file ]; then
+            if [ -d "$file" ]; then
                if [ "$file" = "obsolete" ]; then
                    subdirs="$subdirs \"$file\""
                else