[newlib-cygwin] Cygwin: Makefile: fix ctags --extras option

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=9551e617e742cc8995a8486c3c3687d30a1207b4

commit 9551e617e742cc8995a8486c3c3687d30a1207b4
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Tue Mar 1 16:09:09 2022 +0100

    Cygwin: Makefile: fix ctags --extras option
    
    --extra is deprectated, use --extras
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/Makefile.am b/winsup/cygwin/Makefile.am
index f3c7ac98e..ffb287f03 100644
--- a/winsup/cygwin/Makefile.am
+++ b/winsup/cygwin/Makefile.am
@@ -796,7 +796,7 @@ ctags: CTAGS
 tags:  CTAGS
 CTAGS:
 	-cd $(srcdir) && \
-	ctags -R --c++-kinds=+p --fields=+iaS --extra=+q \
+	ctags -R --c++-kinds=+p --fields=+iaS --extras=+q \
 	--regex-C++='/EXPORT_ALIAS *\([a-zA-Z0-9_]*, *([a-zA-Z0-9_]*)\)/\1/' \
 	--regex-C++='/__ASMNAME *\("([a-zA-Z0-9_]+)"\)/\1/' \
 	.