processes plugin: Fix a format string.

diff --git a/src/processes.c b/src/processes.c
index 6ad4681..c837681 100644 (file)
--- a/src/processes.c
+++ b/src/processes.c
@@ -850,7 +850,7 @@ static int ps_read (void)
                                         * There's only zombie tasks, which are
                                         * handled above. */
                                        default:
-                                               WARNING ("Unknown thread status: %s",
+                                               WARNING ("Unknown thread status: %i",
                                                                thread_data.run_state);
                                                break;
                                } /* switch (thread_data.run_state) */