* cygwin-shilka: Remove '#line directives' or suffer debugging oddities. Use

-length option so that device prefixes are used.
* devices.cc: Regenerate.
* syscalls.cc (ttyname): Add debugging output.

winsup/cygwin/cygwin-shilka

@@ -1,6 +1,8 @@
-#!/bin/sh -x
+#!/bin/sh
 c="$(basename $1 .shilka).c"
-shilka -strip -no-definitions $1 && \
+shilka -length -strip -no-definitions $1 && \
 sed -e '1,4d' -e '/KR_reset.*;/d' -e '/KR_output_statistics.*;/d' \
-    -e '/KR_reset.*)/,/}/d' -e '/KR_output_statistics.*)/,/}/d' "$c" > $2 &&
+    -e '/KR_reset.*)/,/}/d' -e '/KR_output_statistics.*)/,/}/d' \
+    -e '/# *line/d' "$c" > $2 &&
 rm -f "$c"
+#    -e "s%$c"'"%'"$2"'"%g'