hhctrl.ocx: Fix a format warning.

dlls/hhctrl.ocx/help.c

diff --git a/dlls/hhctrl.ocx/help.c b/dlls/hhctrl.ocx/help.c
index f43cc0b..3bc9e8e 100644
--- a/dlls/hhctrl.ocx/help.c
+++ b/dlls/hhctrl.ocx/help.c
@@ -77,7 +77,7 @@
     VariantClear(&url);
 
     if(FAILED(hres))
-        TRACE("Navigation failed: %08lx\n", hres);
+        TRACE("Navigation failed: %08x\n", hres);
 
     return hres;
 }