fix style

Author: vladak

network.tex

@@ -1340,7 +1340,7 @@
 for(;;) \{
     \emprg{FD\_ZERO}(&rfdset); \emprg{FD\_SET}(0, &rfdset);
     \emprg{FD\_SET}(fd, &rfdset); efdset = rfdset;
-    \emprg{select}(fd+1, &rfdset, NULL, &efdset, NULL);
+    \emprg{select}(fd + 1, &rfdset, NULL, &efdset, NULL);
     if(\emprg{FD\_ISSET}(0, &rfdset)) \{
         sz = read(0, buf, BUFSZ); write(fd, buf, sz); \}
     if(\emprg{FD\_ISSET}(fd, &rfdset)) \{