zero errno before open calls

SVN revision: 55902

legacy/eeze/src/lib/eeze_udev_find.c

@@ -305,6 +305,7 @@ eeze_udev_find_by_type(Eeze_Udev_Type etype,
           {
              int devcheck;
 
+             errno = 0;
              devcheck = open(udev_device_get_devnode(device), O_RDONLY | O_EXCL);
              if (errno)
                {

legacy/eeze/src/lib/eeze_udev_watch.c

@@ -148,6 +148,7 @@ _get_syspath_from_watch(void             *data,
         {
            int devcheck;
 
+           errno = 0;
            devcheck = open(udev_device_get_devnode(device), O_RDONLY | O_EXCL);
            if ((devcheck < 0) || errno) goto error;
            close(devcheck);