KVM: VMX: Print VM-instruction error as unsigned

Change the printf format character from 'd' to 'u' for the
VM-instruction error in vmwrite_error().

Fixes: 6aa8b732 ("[PATCH] kvm: userspace interface")
Reported-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Jim Mattson <jmattson@google.com>
Message-Id: <20220510224035.1792952-2-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/vmx/vmx.c

@@ -386,7 +386,7 @@ asmlinkage void vmread_error(unsigned long field, bool fault)
 
 noinline void vmwrite_error(unsigned long field, unsigned long value)
 {
-	vmx_insn_failed("kvm: vmwrite failed: field=%lx val=%lx err=%d\n",
+	vmx_insn_failed("kvm: vmwrite failed: field=%lx val=%lx err=%u\n",
 			field, value, vmcs_read32(VM_INSTRUCTION_ERROR));
 }