src: remove extraneous dot

This got accidentally added when landing original commit

PR-URL: #12626
Reviewed-By: Myles Borins <[email protected]>
Reviewed-By: Brian White <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Nikolai Vavilov <[email protected]>

Author: MylesBorins

src/node.cc

@@ -53,7 +53,7 @@
 #endif
 
 #include <errno.h>
-#include <fcntl.h>. // _O_RDWR
+#include <fcntl.h>  // _O_RDWR
 #include <limits.h>  // PATH_MAX
 #include <locale.h>
 #include <signal.h>