Remove use_dynamic_buffer bool from lwan_config struct

No need for this to be there anymore.  Also, change all the bools
at the end to bitfields of width 1 in an unsigned int.

Author: lpereira

src/lib/lwan.c

@@ -65,7 +65,6 @@ static const struct lwan_config default_config = {
     .allow_post_temp_file = false,
     .max_put_data_size = 10 * DEFAULT_BUFFER_SIZE,
     .allow_put_temp_file = false,
-    .use_dynamic_buffer = false,
 };
 
 LWAN_HANDLER_ROUTE(brew_coffee, NULL /* do not autodetect this route */)
@@ -633,9 +632,6 @@ static bool setup_from_config(struct lwan *lwan, const char *path)
             } else if (streq(line->key, "allow_cors")) {
                 lwan->config.allow_cors =
                     parse_bool(line->value, default_config.allow_cors);
-            } else if (streq(line->key, "use_dynamic_buffer")) {
-                lwan->config.use_dynamic_buffer =
-                    parse_bool(line->value, default_config.use_dynamic_buffer);
             } else if (streq(line->key, "expires")) {
                 lwan->config.expires =
                     parse_time_period(line->value, default_config.expires);

src/lib/lwan.h

@@ -530,12 +530,11 @@ struct lwan_config {
     unsigned int expires;
     unsigned int n_threads;
 
-    bool quiet;
-    bool proxy_protocol;
-    bool allow_cors;
-    bool allow_post_temp_file;
-    bool allow_put_temp_file;
-    bool use_dynamic_buffer;
+    unsigned int quiet : 1;
+    unsigned int proxy_protocol : 1;
+    unsigned int allow_cors : 1;
+    unsigned int allow_post_temp_file : 1;
+    unsigned int allow_put_temp_file : 1;
 };
 
 struct lwan {