package/pugixml: switch _SITE to https

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 1b44913df9b09e4abff3f0419f2b8cd4234dfa1f)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/pugixml/pugixml.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 PUGIXML_VERSION = 1.11.4
-PUGIXML_SITE = http://github.com/zeux/pugixml/releases/download/v$(PUGIXML_VERSION)
+PUGIXML_SITE = https://github.com/zeux/pugixml/releases/download/v$(PUGIXML_VERSION)
 PUGIXML_LICENSE = MIT
 PUGIXML_LICENSE_FILES = LICENSE.md
 PUGIXML_CPE_ID_VENDOR = pugixml_project