util/grub-mkrescue: Fix compilation

diff --git a/util/grub-mkrescue.c b/util/grub-mkrescue.c
index 5a7993fbb2df384d01dc8749dd1b4e24dfeb768e..4511826472f70e77eac645353de18008bc057dac 100644 (file)
--- a/util/grub-mkrescue.c
+++ b/util/grub-mkrescue.c
@@ -452,7 +452,7 @@ main (int argc, char *argv[])
     for (i = 1; i < argc; i++)
       {
        if (strcmp (argv[i], "-output") == 0) {
-         argp_argv[argp_argc++] = "--output";
+         argp_argv[argp_argc++] = (char *) "--output";
          i++;
          argp_argv[argp_argc++] = argv[i];
          continue;