The HTML manual requires features.txt to be processed first, so add this as prerequisite. Fixes building if no pdf has been built before.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19115 a1c6a512-1295-4272-9138-f99709370657
diff --git a/manual/Makefile b/manual/Makefile
index 7c861de..6a52af1 100644
--- a/manual/Makefile
+++ b/manual/Makefile
@@ -41,7 +41,7 @@
manual-pdf: features manual-prep rockbox.tex
$(MAKE) -C $(OBJDIR) buildmanual
-manual-html: manual-prep rockbox.tex
+manual-html: features manual-prep rockbox.tex
$(MAKE) -C $(OBJDIR) buildhtml
manual-txt: manual-html