fix some thinkos in libusb cleanup

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1844 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

urjtag/configure.ac

@@ -182,6 +182,7 @@ AS_IF([test "x$with_libusb" != xno], [
   ], [
     AS_IF([test "x$with_libusb" != x0.1 -a "x$HAVELIBUSB" = xno], [
       PKG_CHECK_MODULES(LIBUSB, libusb-1.0, [HAVELIBUSB=1.0], [:])
+      AC_DEFINE(HAVE_LIBUSB1, 1, [Define if you have libusb-1.0])
     ])
     AS_IF([test "x$with_libusb" != x1.0 -a "x$HAVELIBUSB" = xno], [
       PKG_CHECK_MODULES(LIBUSB, libusb, [HAVELIBUSB=0.1], [:])
@@ -196,6 +197,8 @@ AS_IF([test "x$with_libusb" != xno], [
       AC_DEFINE(HAVE_LIBUSB, 1, [Define if you have libusb])
     ])
   ])
+  AS_VAR_APPEND([LIBS], " $LIBUSB_LIBS")
+  AS_VAR_APPEND([CPPFLAGS], " $LIBUSB_CFLAGS")
 ])
 AM_CONDITIONAL(HAVE_LIBUSB, [test "x$HAVELIBUSB" != "xno"])