cli: Fix invalid option message.

[apitrace] / cli / cli_dump.cpp

diff --git a/cli/cli_dump.cpp b/cli/cli_dump.cpp
index 1b53256346417facdaff5886f5a0f6bca76e67da..f37c027f211ebf4d03b8f21698fbe9a31233ff15 100644 (file)
--- a/cli/cli_dump.cpp
+++ b/cli/cli_dump.cpp
@@ -148,7 +148,7 @@ command(int argc, char *argv[])
             }
             break;
         default:
-            std::cerr << "error: unexpected option `" << opt << "`\n";
+            std::cerr << "error: unexpected option `" << (char)opt << "`\n";
             usage();
             return 1;
         }