moved default: in a switch case to prevent compiler warning that 'request'

might be used uninitialized

lib/http.c

@@ -1279,14 +1279,13 @@ CURLcode Curl_http(struct connectdata *conn)
       case HTTPREQ_PUT:
         request = (char *)"PUT";
         break;
+      default: /* this should never happen */
       case HTTPREQ_GET:
         request = (char *)"GET";
         break;
       case HTTPREQ_HEAD:
         request = (char *)"HEAD";
         break;
-      default: /* this should never happen */
-        break;
       }
     }
   }