util: firewall: use #pragma once in headers

Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>

src/util/virfirewall.h

@@ -18,8 +18,7 @@
  * <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LIBVIRT_VIRFIREWALL_H
-# define LIBVIRT_VIRFIREWALL_H
+#pragma once
 
 #include "internal.h"
 #include "virautoclean.h"
@@ -116,5 +115,3 @@ int virFirewallApply(virFirewallPtr firewall);
 void virFirewallSetLockOverride(bool avoid);
 
 VIR_DEFINE_AUTOPTR_FUNC(virFirewall, virFirewallFree);
-
-#endif /* LIBVIRT_VIRFIREWALL_H */

src/util/virfirewalld.h

@@ -18,8 +18,7 @@
  * <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LIBVIRT_VIRFIREWALLD_H
-# define LIBVIRT_VIRFIREWALLD_H
+#pragma once
 
 #define VIR_FIREWALL_FIREWALLD_SERVICE "org.fedoraproject.FirewallD1"
 
@@ -42,5 +41,3 @@ int virFirewallDApplyRule(virFirewallLayer layer,
 
 int virFirewallDInterfaceSetZone(const char *iface,
                                  const char *zone);
-
-#endif /* LIBVIRT_VIRFIREWALLD_H */

src/util/virfirewalldpriv.h

@@ -22,9 +22,6 @@
 # error "virfirewalldpriv.h may only be included by virfirewalld.c or test suites"
 #endif /* LIBVIRT_VIRFIREWALLDPRIV_H_ALLOW */
 
-#ifndef LIBVIRT_VIRFIREWALLDPRIV_H
-# define LIBVIRT_VIRFIREWALLDPRIV_H
+#pragma once
 
 #define VIR_FIREWALL_FIREWALLD_SERVICE "org.fedoraproject.FirewallD1"
-
-#endif /* LIBVIRT_VIRFIREWALLDPRIV_H */

src/util/virfirewallpriv.h

@@ -22,8 +22,7 @@
 # error "virfirewallpriv.h may only be included by virfirewall.c or test suites"
 #endif /* LIBVIRT_VIRFIREWALLPRIV_H_ALLOW */
 
-#ifndef LIBVIRT_VIRFIREWALLPRIV_H
-# define LIBVIRT_VIRFIREWALLPRIV_H
+#pragma once
 
 #include "virfirewall.h"
 
@@ -36,5 +35,3 @@ typedef enum {
 } virFirewallBackend;
 
 int virFirewallSetBackend(virFirewallBackend backend);
-
-#endif /* LIBVIRT_VIRFIREWALLPRIV_H */