uhttpd: Fix compilation with gcc 6.4

src/3P/uhttpd/client.c

@@ -419,7 +419,7 @@ void client_poll_post_data(struct client *cl)
 		if (!d->data_send)
 			return;
 
-		cur_len = min(r->content_length, len);
+		cur_len = u_min(r->content_length, len);
 		if (cur_len) {
 			if (d->data_blocked)
 				break;

src/3P/uhttpd/file.c

@@ -176,7 +176,7 @@ uh_path_lookup(struct client *cl, const char *url)
 	/* create canon path */
 	len = strlen(uh_buf);
 	slash = len && uh_buf[len - 1] == '/';
-	len = min(len, sizeof(path_phys) - 1);
+	len = u_min(len, sizeof(path_phys) - 1);
 
 	for (i = len; i >= 0; i--) {
 		char ch = uh_buf[i];

src/3P/uhttpd/utils.h

@@ -41,8 +41,8 @@ struct uh_addr {
 	};
 };
 
-#define min(x, y) (((x) < (y)) ? (x) : (y))
-#define max(x, y) (((x) > (y)) ? (x) : (y))
+#define u_min(x, y) (((x) < (y)) ? (x) : (y))
+#define u_max(x, y) (((x) > (y)) ? (x) : (y))
 
 #define array_size(x) \
 	(sizeof(x) / sizeof(x[0]))