(argp_program_version): Make `const'.

diff --git a/argp/argp-pv.c b/argp/argp-pv.c
index 59e6f8d..27d714b 100644 (file)
--- a/argp/argp-pv.c
+++ b/argp/argp-pv.c
@@ -22,4 +22,4 @@
    --version is added (unless the ARGP_NO_HELP flag is used), which will
    print this this string followed by a newline and exit (unless the
    ARGP_NO_EXIT flag is used).  Overridden by ARGP_PROGRAM_VERSION_HOOK.  */
-char *argp_program_version = 0;
+const char *argp_program_version = 0;