[source] busybox: Enable sendfile by default

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/dca2966b77b6caa6da4cbd9314a05961a71ffaed

commit dca2966b77b6caa6da4cbd9314a05961a71ffaed
Author: Daniel Engberg <daniel.engberg.lists at pyret.net>
AuthorDate: Fri Apr 21 10:36:39 2017 +0200

    busybox: Enable sendfile by default
    
    Enable sendfile system call by default.
    http://lists.busybox.net/pipermail/busybox-cvs/2014-November/034831.html
    
    Signed-off-by: Daniel Engberg <daniel.engberg.lists at pyret.net>
---
 package/utils/busybox/Config-defaults.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/utils/busybox/Config-defaults.in b/package/utils/busybox/Config-defaults.in
index 29cc475..9438cb2 100644
--- a/package/utils/busybox/Config-defaults.in
+++ b/package/utils/busybox/Config-defaults.in
@@ -273,7 +273,7 @@ config BUSYBOX_DEFAULT_FEATURE_VERBOSE_CP_MESSAGE
 	default n
 config BUSYBOX_DEFAULT_FEATURE_USE_SENDFILE
 	bool
-	default n
+	default y
 config BUSYBOX_DEFAULT_FEATURE_COPYBUF_KB
 	int
 	default 4