fuse-usmb: drop _BSD_SOURCE.

srcpkgs/fuse-usmb/template

@@ -1,7 +1,7 @@
 # Template file for 'fuse-usmb'
 pkgname=fuse-usmb
 version=20130204
-revision=1
+revision=2
 build_style=gnu-configure
 hostmakedepends="automake libtool pkg-config git"
 makedepends="glib-devel libxml2-devel fuse-devel samba-devel"
@@ -12,6 +12,7 @@ homepage="http://ametros.net/code.html#usmb"
 
 do_fetch() {
 	git clone -b${version} git://repo.or.cz/usmb.git ${pkgname}-${version}
+	sed -i '/_BSD_SOURCE/d' ${pkgname}-${version}/configure.ac
 }
 pre_configure() {
 	autoreconf -fi