File libusb-autoreconf.patch of Package libusb

--- configure.in
+++ configure.in
@@ -151,6 +151,7 @@ fi
 # Checks for programs.
 AC_LANG_CPLUSPLUS
 AC_PROG_CC
+AC_PROG_CXX
 AM_PROG_CC_C_O
 AC_PROG_INSTALL