Suppress compilation warning: ‘quotatypes’ defined but not used.
quotatypes is used only when CONFIG_QUOTA_DEBUG or CONFIG_PRINT_QUOTA_WARNING
is/are defined.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
---

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 788b580..e6a2607 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -132,7 +132,10 @@ static __cacheline_aligned_in_smp DEFINE_SPINLOCK(dq_state_lock);
 __cacheline_aligned_in_smp DEFINE_SPINLOCK(dq_data_lock);
 EXPORT_SYMBOL(dq_data_lock);
 
-static char *quotatypes[] = INITQFNAMES;
+#if defined(CONFIG_QUOTA_DEBUG) || defined(CONFIG_PRINT_QUOTA_WARNING)
+	static char *quotatypes[] = INITQFNAMES;
+#endif
+
 static struct quota_format_type *quota_formats;	/* List of registered formats */
 static struct quota_module_name module_names[] = INIT_QUOTA_MODULE_NAMES;