network_conf: Turn struct _virNetworkObjList private

Now that all the code uses accessors, don't expose the structure
anyway.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/conf/network_conf.c

@@ -51,6 +51,13 @@
 /* currently, /sbin/tc implementation allows up to 16 bits for minor class size */
 #define CLASS_ID_BITMAP_SIZE (1<<16)
 
+struct _virNetworkObjList {
+    virObject parent;
+
+    size_t count;
+    virNetworkObjPtr *objs;
+};
+
 VIR_ENUM_IMPL(virNetworkForward,
               VIR_NETWORK_FORWARD_LAST,
               "none", "nat", "route", "bridge", "private", "vepa", "passthrough", "hostdev")

src/conf/network_conf.h

@@ -277,12 +277,6 @@ struct _virNetworkObj {
 
 typedef struct _virNetworkObjList virNetworkObjList;
 typedef virNetworkObjList *virNetworkObjListPtr;
-struct _virNetworkObjList {
-    virObject parent;
-
-    size_t count;
-    virNetworkObjPtr *objs;
-};
 
 typedef enum {
     VIR_NETWORK_TAINT_HOOK,                 /* Hook script was executed over