compositor: Fix missing new line when displaying buffer type for EGL buffer

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
diff --git a/libweston/compositor.c b/libweston/compositor.c
index 4c096ae..172ea3d 100644
--- a/libweston/compositor.c
+++ b/libweston/compositor.c
@@ -6578,7 +6578,7 @@
 		return;
 	}
 
-	fprintf(fp, "\t\tEGL buffer");
+	fprintf(fp, "\t\tEGL buffer\n");
 }
 
 static void