MesaLib: Remove patch for strnlen on old macOS, use USE_FEATURES instead

graphics/MesaLib/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.173 2019/10/28 13:20:33 nia Exp $
+# $NetBSD: Makefile,v 1.174 2019/10/29 20:27:39 nia Exp $
 
 DISTNAME=	mesa-19.2.2
 PKGNAME=	${DISTNAME:S/mesa/MesaLib/}
@@ -15,6 +15,8 @@ USE_TOOLS+=	bison flex pkg-config xgettext
 USE_LANGUAGES=	c99 c++
 USE_LIBTOOL=	yes
 
+USE_FEATURES+=	strnlen
+
 CFLAGS.SunOS+=		-D_POSIX_PTHREAD_SEMANTICS
 CXXFLAGS.SunOS+=	-Drestrict=__restrict__
 LDFLAGS.SunOS+=		-lsocket -lnsl

graphics/MesaLib/distinfo

@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.139 2019/10/29 20:20:04 nia Exp $
+$NetBSD: distinfo,v 1.140 2019/10/29 20:27:39 nia Exp $
 
 SHA1 (mesa-19.2.2.tar.xz) = 6ddc41e71d894dd406a3ca482f1cfda44566a5f8
 RMD160 (mesa-19.2.2.tar.xz) = 10a5761ecb3f9dc1157ad2516abb48cc91e9d4e1
@@ -38,7 +38,6 @@ SHA1 (patch-src_mesa_main_macros.h) = c5dceaa8dc02a58e5b2273d82e3fe1cc12e327d3
 SHA1 (patch-src_mesa_main_shader__query.cpp) = 3f9c31645d87855759def11344dee16af23c7be3
 SHA1 (patch-src_mesa_x86_common__x86.c) = f8c4b93443ef66d017f6aa114b877565b30f2598
 SHA1 (patch-src_util_build__id.c) = 7a9547bbda9d2fb9f0018ccf27b70b59e497aa2c
-SHA1 (patch-src_util_ralloc.c) = d311bfd9ed7e673d72e050668d351c1e6552cdc8
 SHA1 (patch-src_util_strndup.h) = 73f49694ca48ad6b9a9d8346c5b84fddec2463bd
 SHA1 (patch-src_util_u__atomic.h) = 31d4514538ef5ee53012695eb5c66134aaec981e
 SHA1 (patch-src_util_u__queue.c) = ed1ea3f6fc37e9a64894a3e865c48691b6e01b2c

graphics/MesaLib/patches/patch-src_util_ralloc.c

@@ -1,25 +0,0 @@
-$NetBSD: patch-src_util_ralloc.c,v 1.1 2019/08/21 13:35:28 nia Exp $
-
-FreeBSD reported atexit bug for 10.6:
-https://bugs.freedesktop.org/show_bug.cgi?id=91869
-
-* Fix exit time segfault of qt5 application with modular xorg
-* Provide compat strnlen for older Darwin.
-
---- src/util/ralloc.c.orig	2017-05-10 14:13:58.000000000 +0000
-+++ src/util/ralloc.c
-@@ -368,7 +368,14 @@ ralloc_strndup(const void *ctx, const ch
-    if (unlikely(str == NULL))
-       return NULL;
- 
-+#if (defined(__APPLE__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0 < 1070)
-+   for (n = 0; n < max; n++, str++) {
-+     if (!*str)
-+       break;
-+   }
-+#else
-    n = strnlen(str, max);
-+#endif
-    ptr = ralloc_array(ctx, char, n + 1);
-    memcpy(ptr, str, n);
-    ptr[n] = '\0';