package/ncurses: fix uClibc-ng compile error

Unfortunately upstream does not use any SCM.
See here for the Changelog:
https://invisible-island.net/ncurses/NEWS.html#index-t20231014

"+ updated configure script macro CF_XOPEN_SOURCE, for uClibc-ng"

Fixes:
 - http://autobuild.buildroot.net/results/01c/01cbc188c70f53fe492128100b430857f1cd98f2
 - http://autobuild.buildroot.net/results/e2b/e2ba6a5554bfa0bf9b4c2eaf9222d041204f00e9

And many more.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/ncurses/0001-fix-XOPEN_SOURCE-detection.patch

@@ -0,0 +1,17 @@
+Fix detection of XOPEN_SOURCE
+
+Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
+Upstream: fixed in latest release, no git/svn/hg
+
+diff -Nur ncurses-snapshots-6_4_20230603.orig/configure ncurses-snapshots-6_4_20230603/configure
+--- ncurses-snapshots-6_4_20230603.orig/configure	2023-06-04 00:07:40.000000000 +0200
++++ ncurses-snapshots-6_4_20230603/configure	2024-08-14 20:38:03.426905460 +0200
+@@ -10411,7 +10411,7 @@
+ 	cf_xopen_source="-D_SGI_SOURCE"
+ 	cf_XOPEN_SOURCE=
+ 	;;
+-(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys|mingw*)
++(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys|mingw*|linux*uclibc)
+ 
+ cf_gnu_xopen_source=$cf_XOPEN_SOURCE
+