conf: make virDomainPCIAddressReserveAddr() a static function

It is now only used in domain_addr.c.

src/conf/domain_addr.c

@@ -533,7 +533,7 @@ virDomainPCIAddressSlotInUse(virDomainPCIAddressSetPtr addrs,
  * automatically created by libvirt, so it is an internal error (not
  * XML).
  */
-int
+static int ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
 virDomainPCIAddressReserveAddr(virDomainPCIAddressSetPtr addrs,
                                virPCIDeviceAddressPtr addr,
                                virDomainPCIConnectFlags flags,

src/conf/domain_addr.h

@@ -150,12 +150,6 @@ int virDomainPCIAddressSetGrow(virDomainPCIAddressSetPtr addrs,
                                virDomainPCIConnectFlags flags)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
 
-int virDomainPCIAddressReserveAddr(virDomainPCIAddressSetPtr addrs,
-                                   virPCIDeviceAddressPtr addr,
-                                   virDomainPCIConnectFlags flags,
-                                   bool fromConfig)
-    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
-
 int virDomainPCIAddressReserveSlot(virDomainPCIAddressSetPtr addrs,
                                    virPCIDeviceAddressPtr addr,
                                    virDomainPCIConnectFlags flags)

src/libvirt_private.syms

@@ -100,7 +100,6 @@ virDomainPCIAddressBusSetModel;
 virDomainPCIAddressEnsureAddr;
 virDomainPCIAddressFlagsCompatible;
 virDomainPCIAddressReleaseSlot;
-virDomainPCIAddressReserveAddr;
 virDomainPCIAddressReserveNextAddr;
 virDomainPCIAddressReserveSlot;
 virDomainPCIAddressSetAllMulti;