mingw-w64-binutils: Add --libdir, --libexecdir, and --with-sysroot to configure; revbump.

srcpkgs/mingw-w64-binutils/template

@@ -1,7 +1,7 @@
 # Template file for 'mingw-w64-binutils'
 pkgname=mingw-w64-binutils
 version=2.21.1
-revision=1
+revision=2
 distfiles="${GNU_SITE}/binutils/binutils-$version.tar.bz2"
 build_style=custom-install
 short_desc="GNU binary utilities (mingw-w64 version)"
@@ -49,9 +49,10 @@ do_build()
 	fi
 
 	./configure --prefix=${_mingwprefix} --bindir=${_mingwprefix}/bin \
+		--libdir=${_mingwprefix}/lib --libexecdir=${_mingwprefix}/lib \
 		--target=${_mingwtriplet} ${_target_args} ${_multilib_args} \
 		--enable-plugins --enable-secureplt --with-mmap --disable-nls \
-		--enable-threads
+		--enable-threads --with-sysroot=${_mingwprefix}
 
 	make ${makejobs}
 }