(main): Cosmetic: use '\0' in place of 0.

diff --git a/src/pr.c b/src/pr.c
index 3344e76df4f242b77532a3d689669f6fbaf3ace9..2e8aa024805594c84bbf63e77883904061f928c0 100644 (file)
--- a/src/pr.c
+++ b/src/pr.c
@@ -891,7 +891,7 @@ main (int argc, char **argv)
            column_count_string
              = X2REALLOC (column_count_string, &n_alloc);
          column_count_string[n_digits++] = c;
-         column_count_string[n_digits] = 0;
+         column_count_string[n_digits] = '\0';
          continue;
        }