nice.c: avoid a cast

* src/nice.c (main): Use argv[0], rather than
"program_name with a cast".  Suggestion from Eric Blake.

diff --git a/src/nice.c b/src/nice.c
index 1dcb3a3cbce02cb97af392e895c30eda904020e7..13033ec5e0acb7185aacc7c7dc3507ded800e5b0 100644 (file)
--- a/src/nice.c
+++ b/src/nice.c
@@ -123,7 +123,7 @@ main (int argc, char **argv)
          char **fake_argv = argv + (i - 1);
 
          /* Ensure that any getopt diagnostics use the right name.  */
-         fake_argv[0] = (char *) program_name;
+         fake_argv[0] = argv[0];
 
          /* Initialize getopt_long's internal state.  */
          optind = 0;