V4L/DVB (10106): gscpa - stv06xx: Fix compilation with kernel tree

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/stv06xx/Makefile b/drivers/media/video/gspca/stv06xx/Makefile
index 8f002b6..feeaa94 100644
--- a/drivers/media/video/gspca/stv06xx/Makefile
+++ b/drivers/media/video/gspca/stv06xx/Makefile
@@ -4,3 +4,6 @@
 		      stv06xx_vv6410.o \
 		      stv06xx_hdcs.o \
 		      stv06xx_pb0100.o
+
+EXTRA_CFLAGS += -Idrivers/media/video/gspca
+