fix: poll compile error

sdk_core/include/config.h

@@ -41,7 +41,7 @@
     #define HAVE_KQUEUE 1
 #else
     #include <sys/poll.h>
-    #define HAVE POLL 1
+    #define HAVE_POLL 1
 #endif
 
 #endif  // CONFIG_H_

sdk_core/src/base/multiple_io/multiple_io_poll.cpp

@@ -93,10 +93,10 @@ void MultipleIOPoll:: Poll(int time_out) {
     for (int i = 0; i < pollset_num_; i++) {
       FdEvent fd_event = NONE_EVENT;
       if (pollset_[i].revents & POLLIN) {
-        fd_event = | READBLE_EVENT;
+        fd_event |= READBLE_EVENT;
       }
       if (pollset_[i].revents & POLLOUT) {
-        fd_event = | WRITABLE_EVENT;
+        fd_event |= WRITABLE_EVENT;
       }
       int fd = pollset_[i].fd;
       if (descriptors_.find(fd) != descriptors_.end()) {