Fix build failures

Changes to the ChangeMasterOptions made it non-trivial so it cannot be
safely memset anymore. The maxavrocheck was missing the linkage to the
maxscale-common library.

avro/CMakeLists.txt

@@ -4,7 +4,7 @@ if (AVRO_FOUND AND JANSSON_FOUND)
   target_link_libraries(maxavro maxscale-common ${JANSSON_LIBRARIES})
 
   add_executable(maxavrocheck maxavrocheck.c)
-  target_link_libraries(maxavrocheck maxavro)
+  target_link_libraries(maxavrocheck maxavro maxscale-common)
   install_executable(maxavrocheck core)
   add_subdirectory(test)
 endif()

server/modules/routing/binlogrouter/test/testbinlog.cc

@@ -511,7 +511,7 @@ int main(int argc, char** argv)
      * Expected rc is 0, if 1 test fails
      */
     strcpy(error_string, "");
-    memset(&change_master, 0, sizeof(change_master));
+    change_master = ChangeMasterOptions{};
     strcpy(query,
            "CHANGE MASTER TO MasTER_hoST =  '127.0.0.1', MASTER_PORT=9999, MASTER_PASSWORD='massi', MAster_user='eee', master_log_file=     'fffff', master_log_pos= 55"
            + command_offset);