tftpd: fix signed/unsigned mismatch warnings

alarm's argument is unsigned.

diff --git a/tests/server/tftpd.c b/tests/server/tftpd.c
index 0cd00c799592aceda1488b186b8a773fba96d560..df01eb7828ddeced0d53c1be69fd666a5513dcf8 100644 (file)
--- a/tests/server/tftpd.c
+++ b/tests/server/tftpd.c
@@ -199,8 +199,8 @@ static curl_socklen_t fromlen;
 
 static curl_socket_t peer = CURL_SOCKET_BAD;
 
-static int timeout;
-static int maxtimeout = 5 * TIMEOUT;
+static unsigned int timeout;
+static unsigned int maxtimeout = 5 * TIMEOUT;
 
 #ifdef ENABLE_IPV6
 static bool use_ipv6 = FALSE;
@@ -217,7 +217,7 @@ static sigjmp_buf timeoutbuf;
 #endif
 
 #if defined(HAVE_ALARM) && defined(SIGALRM)
-static int rexmtval = TIMEOUT;
+static const unsigned int rexmtval = TIMEOUT;
 #endif
 
 /* do-nothing macro replacement for systems which lack siginterrupt() */