Clean up 'return' never will be executed.

examples/reading_logs_via_rule_message/reading_logs_via_rule_message.h

@@ -103,7 +103,6 @@ static void *process_request(void *data) {
     }
 
     pthread_exit(NULL);
-    return NULL;
 }
 
 
@@ -165,7 +164,6 @@ class ReadingLogsViaRuleMessage {
 
         delete rules;
         delete modsec;
-        pthread_exit(NULL);
         return 0;
     }
 

examples/reading_logs_via_rule_message/simple_request.cc

@@ -35,8 +35,5 @@ int main(int argc, char **argv) {
         response_headers, response_body, ip, rules);
     rlvrm.process();
 
-
-
-    pthread_exit(NULL);
     return 0;
 }