Merge from Gnulib

This incorporates:
2017-09-13 all: prefer https: URLs
This just changes http: to https: in comments,
in files copied from Gnulib.

4 files changed, 4 insertions, 4 deletions

diff --git a/m4/getgroups.m4 b/m4/getgroups.m4
index 02ce2353ca4..17f7409944e 100644
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -12,7 +12,7 @@ dnl A wrapper around AC_FUNC_GETGROUPS.
 m4_version_prereq([2.70], [] ,[
 
 # This is taken from the following Autoconf patch:
-# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9
+# https://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9
 AC_DEFUN([AC_FUNC_GETGROUPS],
 [
   AC_REQUIRE([AC_TYPE_GETGROUPS])dnl
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index 13504a8ca20..c5517529f09 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -12,7 +12,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+# along with this file.  If not, see <https://www.gnu.org/licenses/>.
 #
 # As a special exception to the GNU General Public License,
 # this file may be distributed as part of a program that
diff --git a/m4/std-gnu11.m4 b/m4/std-gnu11.m4
index 9dae9b1ccf1..bd34aa1a268 100644
--- a/m4/std-gnu11.m4
+++ b/m4/std-gnu11.m4
@@ -20,7 +20,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 # Written by David MacKenzie, with help from
 # Akim Demaille, Paul Eggert,
diff --git a/m4/stdalign.m4 b/m4/stdalign.m4
index 0652a1e4af5..f091aa58c29 100644
--- a/m4/stdalign.m4
+++ b/m4/stdalign.m4
@@ -18,7 +18,7 @@ AC_DEFUN([gl_STDALIGN_H],
 
             /* Test that alignof yields a result consistent with offsetof.
                This catches GCC bug 52023
-               <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.  */
+               <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.  */
             #ifdef __cplusplus
                template <class t> struct alignof_helper { char a; t b; };
             # define ao(type) offsetof (alignof_helper<type>, b)