editor: Add missing free() and display_destroy() in main

Signed-off-by: Raúl Peñacoba <raul.mikaop.zelda@gmail.com>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>
diff --git a/clients/editor.c b/clients/editor.c
index a0cc97a..b63c562 100644
--- a/clients/editor.c
+++ b/clients/editor.c
@@ -1607,6 +1607,7 @@
 	editor.display = display_create(&argc, argv);
 	if (editor.display == NULL) {
 		fprintf(stderr, "failed to create display: %m\n");
+		free(text_buffer);
 		return -1;
 	}
 
@@ -1615,6 +1616,8 @@
 
 	if (editor.text_input_manager == NULL) {
 		fprintf(stderr, "No text input manager global\n");
+		display_destroy(editor.display);
+		free(text_buffer);
 		return -1;
 	}