KVM: ia64: fix ia64 build due to missing kallsyms_lookup() and double export

Fix problem with double export of certain symbols from vsprintf.c
which we do not wish to export from the kvm-intel.ko module.

In addition, we do not have access to kallsyms_lookup() from the
module, so make sure to #undef CONFIG_KALLSYMS

Signed-off-by: Jes Sorensen <[e-mail]>
Acked-by: Xiantao Zhang <[e-mail]>
Signed-off-by: Avi Kivity <[e-mail]>

arch/ia64/kvm/kvm_lib.c

···
  *
  */
 #undef CONFIG_MODULES
+#include <linux/module.h>
+#undef CONFIG_KALLSYMS
+#undef EXPORT_SYMBOL
+#undef EXPORT_SYMBOL_GPL
+#define EXPORT_SYMBOL(sym)
+#define EXPORT_SYMBOL_GPL(sym)
 #include "../../../lib/vsprintf.c"
 #include "../../../lib/ctype.c"