cleanup: Change datatype of net->stp to boolean

src/conf/network_conf.c

@@ -1748,7 +1748,7 @@ virNetworkDefParseXML(xmlXPathContextPtr ctxt)
     /* Parse bridge information */
     def->bridge = virXPathString("string(./bridge[1]/@name)", ctxt);
     stp = virXPathString("string(./bridge[1]/@stp)", ctxt);
-    def->stp = (stp && STREQ(stp, "off")) ? 0 : 1;
+    def->stp = (stp && STREQ(stp, "off")) ? false : true;
 
     if (virXPathULong("string(./bridge[1]/@delay)", ctxt, &def->delay) < 0)
         def->delay = 0;

src/conf/network_conf.h

@@ -195,7 +195,7 @@ struct _virNetworkDef {
     char *bridge;       /* Name of bridge device */
     char *domain;
     unsigned long delay;   /* Bridge forward delay (ms) */
-    unsigned int stp :1; /* Spanning tree protocol */
+    bool stp; /* Spanning tree protocol */
     virMacAddr mac; /* mac address of bridge device */
     bool mac_specified;