master 14e00d9 2/3: Mark the return value from strerror as a constant

[Lars Ingebrigtsen]

branch: master
commit 14e00d95c4edb724bd12357e37dd443d785c1170
Author: Philipp Klaus Krause <pkk@spth.de>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Mark the return value from strerror as a constant
    
    * src/emacs.c (main): Mark the return from strerror as a constant,
    since it shouldn't be changed (bug#43982).
    
    * lib-src/movemail.c (pfatal_and_delete): Ditto.
    
    Copyright-paperwork-exempt: yes
---
 lib-src/movemail.c | 2 +-
 src/emacs.c        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib-src/movemail.c b/lib-src/movemail.c
index 8016a4e..4f9abc9 100644
--- a/lib-src/movemail.c
+++ b/lib-src/movemail.c
@@ -580,7 +580,7 @@ pfatal_with_name (char *name)
 static void
 pfatal_and_delete (char *name)
 {
-  char *s = strerror (errno);
+  const char *s = strerror (errno);
   unlink (name);
   fatal ("%s for %s", s, name);
 }
diff --git a/src/emacs.c b/src/emacs.c
index 6ed970b..e9e9661 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -1273,7 +1273,7 @@ main (int argc, char **argv)
              || (fcntl (STDIN_FILENO, F_DUPFD_CLOEXEC, STDOUT_FILENO)
                  != STDOUT_FILENO))
            {
-             char *errstring = strerror (errno);
+             const char *errstring = strerror (errno);
              fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring);
              exit (EXIT_FAILURE);
            }