LinGui: fix incorrect test in Makefile.am

change "test -n" to "test -d".
check for directory existence instead of checking for an empty string when
the string can never be empty

git-svn-id: svn://localhost/HandBrake/trunk@2765 b64f7644-9d1e-0410-96f1-a4d463321fa5

diff --git a/gtk/src/Makefile.am b/gtk/src/Makefile.am
index b0f1e4a..6aaa0fd 100644 (file)
--- a/gtk/src/Makefile.am
+++ b/gtk/src/Makefile.am
@@ -149,7 +149,7 @@ uninstall-local:
                fi; \
                rm -f $(DESTDIR)/$(datadir)/icons/hicolor/$$SIZE/apps/$$FILE; \
        done
-       @-if test -n "$(DESTDIR)/$(datadir)"; then \
+       @-if test -d "$(DESTDIR)/$(datadir)"; then \
                echo "Updating Gtk icon cache."; \
                $(gtk_update_icon_cache); \
        else \
@@ -171,7 +171,7 @@ install-data-local:
                mkdir -p $(DESTDIR)/$(datadir)/icons/hicolor/$$SIZE/apps/; \
                $(INSTALL_DATA) $(srcdir)/$$icon $(DESTDIR)/$(datadir)/icons/hicolor/$$SIZE/apps/$$FILE; \
        done
-       @-if test -n "$(DESTDIR)/$(datadir)"; then \
+       @-if test -d "$(DESTDIR)/$(datadir)"; then \
                echo "Updating Gtk icon cache."; \
                $(gtk_update_icon_cache); \
        else \