Fixed travis windows build

.travis.yml

@@ -1,8 +1,4 @@
 language: c
-
-dist: trusty
-sudo: required
-
 before_script:
   - mkdir build
   - cd build
@@ -18,4 +14,6 @@ matrix:
         - MSBuild.exe p2p.sln
     - os: linux
       script:
-        - make
+        - make
+      dist: ubuntu
+      sudo: required

modules/webio.c

@@ -220,8 +220,6 @@ int webio_handlePOSTrequest(SOCKET client, WebIO wio, const PeerList *list, Map
         char file[64];
         char folder[72];
         sprintf(folder,"%s/peers/",wio.folder);
-        DIR *d = opendir(folder);
-        if(d == NULL)
         #if defined(_WIN32)
             mkdir(folder);
         #else

modules/webio.h

@@ -3,7 +3,6 @@
 // Dátum:  2019. 10. 14..
 //
 #pragma  once
-#include <dirent.h>
 #include "../utility.h"
 #include "../lib/tcp-listener.h"
 #include "peer.h"