Fix the build on non-linux platforms after VIR_AUTOPTR related changes

Commits 7b706f33 and 4acb7887 introduced some compound type *Free
wrappers in order to use them with VIR_DEFINE_AUTOPTR_FUNC. However,
since those were not used in the code right away, Clang complained about
unused functions (static ones that are defined by the macro above).
This patch puts the defined functions in use.
Signed-off-by: NErik Skultety <eskultet@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/util/virnetdev.c

@@ -2833,7 +2833,7 @@ static int virNetDevGetMcastList(const char *ifname,
     char *buf = NULL;
     char *next = NULL;
     int ret = -1, len;
-    virNetDevMcastEntryPtr entry = NULL;
+    VIR_AUTOPTR(virNetDevMcastEntry) entry = NULL;
 
     mcast->entries = NULL;
     mcast->nentries = 0;
@@ -2867,7 +2867,6 @@ static int virNetDevGetMcastList(const char *ifname,
     ret = 0;
  cleanup:
     VIR_FREE(buf);
-    VIR_FREE(entry);
 
     return ret;
 }

src/util/virnetlink.c

@@ -305,7 +305,7 @@ int virNetlinkCommand(struct nl_msg *nl_msg,
             .nl_groups = 0,
     };
     struct pollfd fds[1];
-    virNetlinkHandle *nlhandle = NULL;
+    VIR_AUTOPTR(virNetlinkHandle) nlhandle = NULL;
     int len = 0;
 
     memset(fds, 0, sizeof(fds));
@@ -333,7 +333,6 @@ int virNetlinkCommand(struct nl_msg *nl_msg,
         *respbuflen = 0;
     }
 
-    virNetlinkFree(nlhandle);
     return ret;
 }
 
@@ -355,7 +354,7 @@ virNetlinkDumpCommand(struct nl_msg *nl_msg,
             .nl_pid    = dst_pid,
             .nl_groups = 0,
     };
-    virNetlinkHandle *nlhandle = NULL;
+    VIR_AUTOPTR(virNetlinkHandle) nlhandle = NULL;
 
     if (!(nlhandle = virNetlinkSendRequest(nl_msg, src_pid, nladdr,
                                            protocol, groups)))
@@ -382,7 +381,6 @@ virNetlinkDumpCommand(struct nl_msg *nl_msg,
 
  cleanup:
     VIR_FREE(resp);
-    virNetlinkFree(nlhandle);
     return ret;
 }