use of new SVBONY Camera needs to be linked against libusb

Makefile.rules.linux

@@ -17,7 +17,7 @@ OBJECTS =
 #
 ifeq ($(USE_SVBONY),1)
 CPPFLAGS := $(CPPFLAGS) -I/usr/local/include
-LDFLAGS := $(LDFLAGS) -lSVBCameraSDK -L/usr/local/lib
+LDFLAGS := $(LDFLAGS) -lSVBCameraSDK -L/usr/local/lib `pkg-config --libs libusb-1.0`
 OBJECTS := $(OBJECTS) videodev-svbcam.oo
 endif
 #