Expose virCapabilitiesFreeGuest

Guests are handled in callers, but if something goes wrong (when it
cannot be added to virCapabilities, for example), there's no way for
them to free it properly.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>

src/conf/capabilities.c

@@ -148,7 +148,7 @@ virCapabilitiesFreeGuestFeature(virCapsGuestFeaturePtr feature)
     VIR_FREE(feature);
 }
 
-static void
+void
 virCapabilitiesFreeGuest(virCapsGuestPtr guest)
 {
     size_t i;

src/conf/capabilities.h

@@ -248,6 +248,9 @@ void
 virCapabilitiesFreeMachines(virCapsGuestMachinePtr *machines,
                             int nmachines);
 
+void
+virCapabilitiesFreeGuest(virCapsGuestPtr guest);
+
 virCapsGuestPtr
 virCapabilitiesAddGuest(virCapsPtr caps,
                         int ostype,

src/libvirt_private.syms

@@ -53,6 +53,7 @@ virCapabilitiesAllocMachines;
 virCapabilitiesClearHostNUMACellCPUTopology;
 virCapabilitiesDomainDataLookup;
 virCapabilitiesFormatXML;
+virCapabilitiesFreeGuest;
 virCapabilitiesFreeMachines;
 virCapabilitiesFreeNUMAInfo;
 virCapabilitiesGetCpusForNodemask;