File libchipcard3-ac.patch of Package libchipcard3

--- configure.ac
+++ configure.ac
@@ -123,6 +123,7 @@ AC_ENABLE_SHARED(yes)
 ###-------------------------------------------------------------------------
 # Checks for programs.
 AC_PROG_CC
+AC_PROG_CXX
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET
 AC_LIBTOOL_WIN32_DLL