From 8786b61636f8c09cb0172895a66dc853a26ed180 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Mon, 30 Jul 2018 09:56:57 +0200
Subject: [PATCH] SongFilter: make ParseExpression() static

---
 src/SongFilter.hxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SongFilter.hxx b/src/SongFilter.hxx
index 9704a562e..b627e4b38 100644
--- a/src/SongFilter.hxx
+++ b/src/SongFilter.hxx
@@ -248,7 +248,7 @@ public:
 	std::string ToExpression() const noexcept;
 
 private:
-	ISongFilterPtr ParseExpression(const char *&s, bool fold_case=false);
+	static ISongFilterPtr ParseExpression(const char *&s, bool fold_case=false);
 
 	gcc_nonnull(2,3)
 	void Parse(const char *tag, const char *value, bool fold_case=false);