BUG/MINOR: stats: fix inversion of the report of a check in progress

Recent fix for health checks 5a78f36d inverted the condition to display
a "*" in front of the check status on the stats page.
diff --git a/src/dumpstats.c b/src/dumpstats.c
index 988f94c..7c9365b 100644
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -2933,7 +2933,7 @@
 					}
 
 					chunk_appendf(&trash, "\"><u> %s%s",
-					        (sv->state & SRV_CHK_RUNNING) ? "" : "* ",
+					        (sv->state & SRV_CHK_RUNNING) ? "* " : "",
 						get_check_status_info(sv->check.status));
 
 					if (sv->check.status >= HCHK_STATUS_L57DATA)