system-controller: do not fclose a nullptr in save_last_user.

Change-Id: I480354de3f040cfc0ec4d80759ada51299d091c6

diff --git a/src/plugins/system-controller/user/user.c b/src/plugins/system-controller/user/user.c
index 7bdeedf..d4d6176 100644 (file)
--- a/src/plugins/system-controller/user/user.c
+++ b/src/plugins/system-controller/user/user.c
@@ -367,7 +367,9 @@ static bool save_last_user(const char *user_dir, const char *user, int size)
     }
 
 end:
-    fclose(last_user_file);
+    if (last_user_file)
+        fclose(last_user_file);
+
     return success;
 }