patchelf: update _SITE to new location

releases.nixos.org gives some weird XML pages. The upstream location is
nixos.org/releases.

This side uses HSTS, so switch to https to avoid a needless redirect.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/patchelf/patchelf.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 PATCHELF_VERSION = 0.9
-PATCHELF_SITE = http://releases.nixos.org/patchelf/patchelf-$(PATCHELF_VERSION)
+PATCHELF_SITE = https://nixos.org/releases/patchelf/patchelf-$(PATCHELF_VERSION)
 PATCHELF_SOURCE = patchelf-$(PATCHELF_VERSION).tar.bz2
 PATCHELF_LICENSE = GPL-3.0+
 PATCHELF_LICENSE_FILES = COPYING