Merge pull request git-for-windows#41 from dscho/virtual-dev-fd

Implicitly support the /dev/fd symlink and friends

Author: dscho

winsup/cygwin/Makefile.am

@@ -230,6 +230,7 @@ DLL_FILES= \
 	fhandler_console.cc \
 	fhandler_cygdrive.cc \
 	fhandler_dev.cc \
+	fhandler_dev_fd.cc \
 	fhandler_disk_file.cc \
 	fhandler_dsp.cc \
 	fhandler_fifo.cc \