svn: Switch to https scheme.

Some versions of SVN seemingly don't follow the redirect
to https.

Change-Id: Ia7c76c18cb620bcf56f08e1211a7d80d321fe253

contrib/scripts/get_mp3_source.sh

@@ -15,7 +15,7 @@ if [ -f addons/mp3/mpg123.h ]; then
     exit 1
 fi
 
-svn export http://svn.digium.com/svn/thirdparty/mp3/trunk addons/mp3 $@
+svn export https://svn.digium.com/svn/thirdparty/mp3/trunk addons/mp3 $@
 
 # Manually patch interface.c if not done yet.
 if ! grep -q ASTMM_LIBC addons/mp3/interface.c; then

contrib/scripts/install_prereq

@@ -334,7 +334,7 @@ handle_SUSE() {
 
 install_unpackaged() {
 	echo "*** Installing NBS (Network Broadcast Sound) ***"
-	svn co http://svn.digium.com/svn/nbs/trunk nbs-trunk
+	svn co https://svn.digium.com/svn/nbs/trunk nbs-trunk
 	cd nbs-trunk
 	make all install
 	cd ..
@@ -342,7 +342,7 @@ install_unpackaged() {
 	# Only install libresample if it wasn't installed via package
 	if ! test -f /usr/include/libresample.h; then
 		echo "*** Installing libresample ***"
-		svn co http://svn.digium.com/svn/thirdparty/libresample/trunk libresample-trunk
+		svn co https://svn.digium.com/svn/thirdparty/libresample/trunk libresample-trunk
 		cd libresample-trunk
 		./configure
 		make all install