[newlib-cygwin] Make ffsl() and ffsll() BSD-visible

[newlib-cygwin] Make ffsl() and ffsll() BSD-visible

[Sebastian Huber]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=1f42dc2bcf58d3b8629eb13d53de3f69fc314b47

commit 1f42dc2bcf58d3b8629eb13d53de3f69fc314b47
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Fri Sep 29 07:29:03 2017 +0200

    Make ffsl() and ffsll() BSD-visible
    
    Since glibc 2.27, they are visible via _DEFAULT_SOURCE (__USE_MISC):
    
    https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/commit/man3/ffs.3?id=247bbcf00c9a425ab0ad6e303ec8718e4ba844a6
    
    In FreeBSD, they are guarded by __BSD_VISIBLE.
    
    Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

Diff:
---
 newlib/libc/include/strings.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/newlib/libc/include/strings.h b/newlib/libc/include/strings.h
index 122f2fc..50a3042 100644
--- a/newlib/libc/include/strings.h
+++ b/newlib/libc/include/strings.h
@@ -53,11 +53,9 @@ void	 explicit_bzero(void *, size_t);
 #if __MISC_VISIBLE || __POSIX_VISIBLE < 200809 || __XSI_VISIBLE >= 700
 int	 ffs(int) __pure2;
 #endif
-#if __GNU_VISIBLE
+#if __BSD_VISIBLE
 int	 ffsl(long) __pure2;
 int	 ffsll(long long) __pure2;
-#endif
-#if __BSD_VISIBLE
 int	 fls(int) __pure2;
 int	 flsl(long) __pure2;
 int	 flsll(long long) __pure2;