Fix builds on Linux.

git-svn-id: svn+ssh://src.apple.com/svn/cups/cups.org/trunk@13042 a1ca3aef-8c08-0410-bb20-df032aa958be

diff --git a/backend/usb-libusb.c b/backend/usb-libusb.c
index 2db96ac1e7f375052598d06d0493f8499c44d789..c89727e51482920a3a8c1d2aef8b5e1cd6f8722a 100644 (file)
--- a/backend/usb-libusb.c
+++ b/backend/usb-libusb.c
@@ -18,6 +18,7 @@
 
 #include <libusb.h>
 #include <cups/cups-private.h>
+#include <cups/ppd-private.h>
 #include <cups/dir.h>
 #include <pthread.h>
 #include <sys/select.h>