[adwaita-icon-theme] add placeholder dirs to generate index.theme

[Jakub Steiner <jimmac src gnome org>]

commit e5841d79f1f1356f5086e8a8f8b054d7d68f2586
Author: Jakub Steiner <jimmac gmail com>
Date:   Thu Dec 13 16:28:36 2018 +0100

    add placeholder dirs to generate index.theme
    
    - the sizes only get added to index.theme if a folder exists and
      this is done prior the odd symbolic png generation

 Adwaita/16x16/ui/.empty | 0
 Adwaita/22x22/ui/.empty | 0
 Adwaita/24x24/ui/.empty | 0
 Adwaita/32x32/ui/.empty | 0
 Adwaita/48x48/ui/.empty | 0
 Makefile.am             | 2 +-
 6 files changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/Adwaita/16x16/ui/.empty b/Adwaita/16x16/ui/.empty
new file mode 100644
index 00000000..e69de29b
diff --git a/Adwaita/22x22/ui/.empty b/Adwaita/22x22/ui/.empty
new file mode 100644
index 00000000..e69de29b
diff --git a/Adwaita/24x24/ui/.empty b/Adwaita/24x24/ui/.empty
new file mode 100644
index 00000000..e69de29b
diff --git a/Adwaita/32x32/ui/.empty b/Adwaita/32x32/ui/.empty
new file mode 100644
index 00000000..e69de29b
diff --git a/Adwaita/48x48/ui/.empty b/Adwaita/48x48/ui/.empty
new file mode 100644
index 00000000..e69de29b
diff --git a/Makefile.am b/Makefile.am
index f3dc9ef7..0585021f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -29,7 +29,7 @@ endif
 theme_in_files = index.theme.in
 theme_DATA = $(theme_in_files:.theme.in=.theme)
 
-THEME_DIRS=$(shell SIZES="$(install_sizes)"; for size in $$SIZES; do for dir in `find 
$(srcdir)/$(SVGOUTDIR)/$$size/* -type d`; do printf "$$dir,"; done; done; echo 
"scalable/actions,scalable/apps,scalable/categories,scalable/devices,scalable/emblems,scalable/emotes,scalable/mimetypes,scalable/places,scalable/status,scalable/legacy,scalable-up-to-32/status,")
+THEME_DIRS=$(shell SIZES="$(install_sizes)"; for size in $$SIZES; do for dir in `find 
$(srcdir)/$(SVGOUTDIR)/$$size/* -type d`; do printf "$$dir,"; done; done; echo 
"scalable/actions,scalable/apps,scalable/categories,scalable/devices,scalable/emblems,scalable/emotes,scalable/mimetypes,scalable/places,scalable/status,scalable/legacy,scalable/ui,scalable-up-to-32/status,")
 
 %.theme: %.theme.in $(SVGOUTDIR) Makefile
        dirs="`echo $(THEME_DIRS) | sed -e 's#$(srcdir)/Adwaita/##g'`"; \