For nonblocking connections, wait for socket io if errno == EINTR, not EINPROGRESS.

Thanks to Paul Ashford <arougthopher@lizardland.net> for the patch.
Bug #70217 r=cls a=shaver

nsprpub/pr/src/md/beos/bnet.c

@@ -588,7 +588,7 @@ retry:
             return rv;
         }
 #else /* BONE_VERSION */
-        if(!fd->secret->nonblocking && (err == EINPROGRESS)) {
+        if(!fd->secret->nonblocking && (err == EINTR)) {
 
             rv = socket_io_wait(osfd, WRITE_FD, timeout);
             if (rv == -1) {