clean windows warnings

Signed-off-by: Andy Green <andy.green@linaro.org>

test-server/test-client.c

diff --git a/test-server/test-client.c b/test-server/test-client.c
index 726615a..b8e262b 100644
--- a/test-server/test-client.c
+++ b/test-server/test-client.c
@@ -242,7 +242,7 @@
 	{ NULL, 0, 0, 0 }
 };
 
-static int ratelimit_connects(unsigned int *last, int secs)
+static int ratelimit_connects(unsigned int *last, unsigned int secs)
 {
 	struct timeval tv;
 
@@ -345,7 +345,7 @@
 
 	while (!force_exit) {
 
-		if (!wsi_dumb && ratelimit_connects(&rl_dumb, 2)) {
+		if (!wsi_dumb && ratelimit_connects(&rl_dumb, 2u)) {
 			lwsl_notice("dumb: connecting\n");
 			wsi_dumb = lws_client_connect(context, address, port,
 				use_ssl, "/", argv[optind], argv[optind],
@@ -353,7 +353,7 @@
 				ietf_version);
 		}
 
-		if (!wsi_mirror && ratelimit_connects(&rl_mirror, 2)) {
+		if (!wsi_mirror && ratelimit_connects(&rl_mirror, 2u)) {
 			lwsl_notice("mirror: connecting\n");
 			wsi_mirror = lws_client_connect(context,
 				address, port, use_ssl,  "/",

test-server/test-fraggle.c

diff --git a/test-server/test-fraggle.c b/test-server/test-fraggle.c
index d2ab027..a04ad8a 100644
--- a/test-server/test-fraggle.c
+++ b/test-server/test-fraggle.c
@@ -97,7 +97,7 @@
 
 		case FRAGSTATE_RANDOM_PAYLOAD:
 
-			for (n = 0; n < len; n++)
+			for (n = 0; (unsigned int)n < len; n++)
 				psf->sum += p[n];
 
 			psf->total_message += len;
@@ -184,9 +184,9 @@
 						  psf->total_message, psf->sum);
 
 			bp[0] = psf->sum >> 24;
-			bp[1] = psf->sum >> 16;
-			bp[2] = psf->sum >> 8;
-			bp[3] = psf->sum;
+			bp[1] = (unsigned char)(psf->sum >> 16);
+			bp[2] = (unsigned char)(psf->sum >> 8);
+			bp[3] = (unsigned char)psf->sum;
 
 			n = lws_write(wsi, (unsigned char *)bp,
 							   4, LWS_WRITE_BINARY);

test-server/test-ping.c

diff --git a/test-server/test-ping.c b/test-server/test-ping.c
index 16065f1..d85af0a 100644
--- a/test-server/test-ping.c
+++ b/test-server/test-ping.c
@@ -225,18 +225,18 @@
 		/* 64-bit ping index in network byte order */
 
 		while (shift >= 0) {
-			*p++ = psd->ping_index >> shift;
+			*p++ = (unsigned char)(psd->ping_index >> shift);
 			shift -= 8;
 		}
 
-		while (p - &pingbuf[LWS_SEND_BUFFER_PRE_PADDING] < size)
+		while ((unsigned int)(p - &pingbuf[LWS_SEND_BUFFER_PRE_PADDING]) < size)
 			*p++ = 0;
 
 		gettimeofday(&tv, NULL);
 
 		psd->ringbuffer[psd->ringbuffer_head].issue_timestamp =
 					     (tv.tv_sec * 1000000) + tv.tv_usec;
-		psd->ringbuffer[psd->ringbuffer_head].index = psd->ping_index++;
+		psd->ringbuffer[psd->ringbuffer_head].index = (unsigned long)psd->ping_index++;
 		psd->ringbuffer[psd->ringbuffer_head].seen = 0;
 
 		if (psd->ringbuffer_head == PING_RINGBUFFER_SIZE - 1)
@@ -266,7 +266,7 @@
 
 		if (n < 0)
 			return -1;
-		if (n < size) {
+		if (n < (int)size) {
 			lwsl_err("Partial write\n");
 			return -1;
 		}
@@ -374,7 +374,7 @@
 			protocols[PROTOCOL_LWS_MIRROR].name = protocol_name;
 			break;
 		case 'i':
-			interval_us = 1000000.0 * atof(optarg);
+			interval_us = (unsigned int)(1000000.0 * atof(optarg));
 			break;
 		case 's':
 			size = atoi(optarg);