tools: virt-host-validate: move virutil.h include

After the introduction of virenum.h in commit 285c5f28c4,
it is only needed in the C file.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>

tools/virt-host-validate-common.c

@@ -32,6 +32,7 @@
 #include "virt-host-validate-common.h"
 #include "virstring.h"
 #include "virarch.h"
+#include "virutil.h"
 
 #define VIR_FROM_THIS VIR_FROM_NONE
 

tools/virt-host-validate-common.h

@@ -22,7 +22,6 @@
 #pragma once
 
 #include "internal.h"
-#include "virutil.h"
 #include "virbitmap.h"
 #include "virenum.h"