* restore filter's defscore on flush

src/filters/pcre.c

@@ -193,6 +193,7 @@ flush(cfg_t *cfg) {
     free(r);
   }
   cfg->regexps = NULL;
+  cfg->defscore = MATCH_DEFSCORE;
 }
 
 void

src/filters/preg.c

@@ -150,6 +150,7 @@ flush(cfg_t *cfg) {
     free(r);
   }
   cfg->regexps = NULL;
+  cfg->defscore = MATCH_DEFSCORE;
 }
 
 void