Fixing build in x86_64.

I took a approach very aarch64 specific without knowing.

me.sergiotarxz.openmg.yml

@@ -8,6 +8,8 @@ command: openmg
 finish-args:
   - "--share=ipc"
   - "--socket=x11"
+  - "--socket=wayland"
+  - "--socket=session-bus"
   - "--share=network"
   - "--device=dri"
 modules:

src/backend/readmng.c

@@ -198,7 +198,9 @@ mg_backend_readmng_fetch_xml_details (MgBackendReadmng *self,
 static xmlDocPtr
 mg_backend_readmng_fetch_xml_main_page (MgBackendReadmng *self) {
     size_t size_response_text = 0;
-    return htmlReadMemory (mg_backend_readmng_get_main_page (self, &size_response_text),
+    const char *html_response = mg_backend_readmng_get_main_page (self, &size_response_text);
+
+    return htmlReadMemory (html_response,
             size_response_text,
             NULL,
             NULL,