Update liblwan.sym

Some symbols were not defined anymore after API changes, and some were
defined as static inline functions in a header file, which will never
become symbols in the final libraries anyway.

src/lib/liblwan.sym

@@ -1,7 +1,7 @@
 LIBLWAN_1 {
 global:
-    lwan_array_append;
-    lwan_array_init;
+    lwan_array_append_heap;
+    lwan_array_append_inline;
     lwan_array_reset;
     lwan_array_sort;
 
@@ -41,7 +41,6 @@ global:
     lwan_tpl_apply_with_buffer;
     lwan_tpl_compile_file;
     lwan_tpl_compile_string;
-    lwan_tpl_compile_string_full;
     lwan_tpl_free;
     lwan_append_*_to_strbuf;
     lwan_tpl_*_is_empty;
@@ -51,7 +50,6 @@ global:
     lwan_strbuf_append_char;
     lwan_strbuf_append_printf;
     lwan_strbuf_append_str;
-    lwan_strbuf_append_strz;
     lwan_strbuf_free;
     lwan_strbuf_init;
     lwan_strbuf_init_with_size;
@@ -62,8 +60,6 @@ global:
     lwan_strbuf_reset;
     lwan_strbuf_set;
     lwan_strbuf_set_static;
-    lwan_strbuf_setz;
-    lwan_strbuf_set_staticz;
 
     lwan_module_info_*;
     lwan_handler_info_*;