fix wrong keyword name

src/detect-dce-opnum.c

@@ -29,7 +29,7 @@ void DetectDceOpnumRegister(void)
     int eo;
     int opts = 0;
 
-    sigmatch_table[DETECT_DCE_OPNUM].name = "dce_iface";
+    sigmatch_table[DETECT_DCE_OPNUM].name = "dce_opnum";
     sigmatch_table[DETECT_DCE_OPNUM].Match = NULL;
     sigmatch_table[DETECT_DCE_OPNUM].AppLayerMatch = DetectDceOpnumMatch;
     sigmatch_table[DETECT_DCE_OPNUM].Setup = DetectDceOpnumSetup;