nwfilter: make virNWFilterIPAddrLearnReq type private

The virNWFilterIPAddrLearnReq type should only be used by the IP address
learning code, so can live in the implementation file instead of header
file.
Reviewed-by: NJiri Denemark <jdenemar@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

src/nwfilter/nwfilter_learnipaddr.c

@@ -133,6 +133,23 @@ struct _virNWFilterIfaceLock {
     int refctr;
 };
 
+typedef struct _virNWFilterIPAddrLearnReq virNWFilterIPAddrLearnReq;
+typedef virNWFilterIPAddrLearnReq *virNWFilterIPAddrLearnReqPtr;
+struct _virNWFilterIPAddrLearnReq {
+    virNWFilterTechDriverPtr techdriver;
+    char ifname[IF_NAMESIZE];
+    int ifindex;
+    char linkdev[IF_NAMESIZE];
+    virMacAddr macaddr;
+    char *filtername;
+    virHashTablePtr filterparams;
+    virNWFilterDriverStatePtr driver;
+    enum howDetect howDetect;
+
+    int status;
+    volatile bool terminate;
+};
+
 
 static bool threadsTerminate;
 

src/nwfilter/nwfilter_learnipaddr.h

@@ -35,23 +35,6 @@ enum howDetect {
   DETECT_STATIC = 2,
 };
 
-typedef struct _virNWFilterIPAddrLearnReq virNWFilterIPAddrLearnReq;
-typedef virNWFilterIPAddrLearnReq *virNWFilterIPAddrLearnReqPtr;
-struct _virNWFilterIPAddrLearnReq {
-    virNWFilterTechDriverPtr techdriver;
-    char ifname[IF_NAMESIZE];
-    int ifindex;
-    char linkdev[IF_NAMESIZE];
-    virMacAddr macaddr;
-    char *filtername;
-    virHashTablePtr filterparams;
-    virNWFilterDriverStatePtr driver;
-    enum howDetect howDetect;
-
-    int status;
-    volatile bool terminate;
-};
-
 int virNWFilterLearnIPAddress(virNWFilterTechDriverPtr techdriver,
                               const char *ifname,
                               int ifindex,