mkswap: make context_string const

Sometimes context_str() return `const char *`.

diff --git a/disk-utils/mkswap.c b/disk-utils/mkswap.c
index 6f6d3048a3b2e304634cbd4246c4880bcc51a434..7e21647048e861edcf3d7d63901147cc5b5993d6 100644 (file)
--- a/disk-utils/mkswap.c
+++ b/disk-utils/mkswap.c
@@ -696,7 +696,8 @@ int main(int argc, char **argv)
 
 #ifdef HAVE_LIBSELINUX
        if (S_ISREG(ctl.devstat.st_mode) && is_selinux_enabled() > 0) {
-               char *context_string, *oldcontext;
+               const char *context_string;
+               char *oldcontext;
                context_t newcontext;
 
                if (fgetfilecon(ctl.fd, &oldcontext) < 0) {