use HTTPS for most downloads (again)

The previous HTTPS commit is reverted unintentionally :(


git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@12172 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

general.ent

@@ -40,12 +40,12 @@
 <!ENTITY before          "Must be installed before">
 <!ENTITY external        "Optional dependencies">
                          
-<!ENTITY gnu             "http://ftp.gnu.org/gnu/">
-<!ENTITY gnu-software    "http://www.gnu.org/software/">
-<!ENTITY alpha-gnu       "http://alpha.gnu.org/gnu/">
+<!ENTITY gnu             "https://ftp.gnu.org/gnu/">
+<!ENTITY gnu-software    "https://www.gnu.org/software/">
+<!ENTITY alpha-gnu       "https://alpha.gnu.org/gnu/">
 <!ENTITY kernel          "https://www.kernel.org/pub/">
 <!ENTITY sourceforge     "https://prdownloads.sourceforge.net/">
-<!ENTITY savannah        "http://download.savannah.gnu.org">
+<!ENTITY savannah        "https://download.savannah.gnu.org">
 <!ENTITY savannah-nongnu "https://savannah.nongnu.org">
 <!ENTITY github          "https://github.com">