secure URLs

* also remove the last ftp:// URL, which was a mirror

src/file.mk

@@ -7,13 +7,12 @@ $(PKG)_VERSION  := 5.24
 $(PKG)_CHECKSUM := 802cb3de2e49e88ef97cdcb52cd507a0f25458112752e398445cea102bc750ce
 $(PKG)_SUBDIR   := file-$($(PKG)_VERSION)
 $(PKG)_FILE     := file-$($(PKG)_VERSION).tar.gz
-$(PKG)_URL      := https://distfiles.macports.org/file/$($(PKG)_FILE)
-# astron.com is down
-# $(PKG)_URL_2    := ftp://ftp.astron.com/pub/file/$($(PKG)_FILE)
+$(PKG)_URL      := https://astron.com/pub/file/$($(PKG)_FILE)
+$(PKG)_URL_2    := https://distfiles.macports.org/file/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc libgnurx
 
 define $(PKG)_UPDATE
-    $(WGET) -q -O- 'https://distfiles.macports.org/file/' | \
+    $(WGET) -q -O- 'https://astron.com/pub/file/' | \
     grep 'file-' | \
     $(SED) -n 's,.*file-\([0-9][^>]*\)\.tar.*,\1,p' | \
     tail -1

src/jack.mk

@@ -1,7 +1,7 @@
 # This file is part of MXE. See LICENSE.md for licensing information.
 
 PKG             := jack
-$(PKG)_WEBSITE  := http://jackaudio.org/
+$(PKG)_WEBSITE  := https://jackaudio.org/
 $(PKG)_DESCR    := JACK Audio Connection Kit
 $(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 1.9.10
@@ -12,7 +12,7 @@ $(PKG)_URL      := https://dl.dropboxusercontent.com/u/28869550/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc libgnurx libsamplerate libsndfile portaudio pthreads readline
 
 define $(PKG)_UPDATE
-    $(WGET) -q -O- 'http://jackaudio.org/downloads/' | \
+    $(WGET) -q -O- 'https://jackaudio.org/downloads/' | \
     $(SED) -n 's,.*jack-\([0-9][^"]*\)\.tar.*,\1,p' | \
     head -1
 endef

src/libxslt.mk

@@ -8,7 +8,6 @@ $(PKG)_CHECKSUM := 8e36605144409df979cab43d835002f63988f3dc94d5d3537c12796db90e3
 $(PKG)_SUBDIR   := libxslt-$($(PKG)_VERSION)
 $(PKG)_FILE     := libxslt-$($(PKG)_VERSION).tar.gz
 $(PKG)_URL      := http://xmlsoft.org/sources/$($(PKG)_FILE)
-$(PKG)_URL_2    := ftp://xmlsoft.org/libxslt/$($(PKG)_FILE)
 $(PKG)_DEPS     := cc libgcrypt libxml2
 
 define $(PKG)_UPDATE