doxygen: fix error msg: 'find: `html': No such file or directory'

Every time a make target is run in the doc directory when the html dir
is absent, you get this error. Even with 'make clean'.

Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/doc/Makefile.am b/doc/Makefile.am
index be6e622..ecc2c61 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -9,7 +9,7 @@ clean-local:
 
 .PHONY: doxygen
 
-doc_src= $(shell find html -type f -printf "html/%P\n")
+doc_src= $(shell find html -type f -printf "html/%P\n" 2>/dev/null)
 EXTRA_DIST = $(doc_src) libevdev.css
 endif