explorer: Make explorer_wnd_proc() static.

[Francois Gouget]

---
 programs/explorer/explorer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/programs/explorer/explorer.c b/programs/explorer/explorer.c
index 6411c16..d04457b 100644
--- a/programs/explorer/explorer.c
+++ b/programs/explorer/explorer.c
@@ -116,7 +116,7 @@ static void do_exit(int code)
     ExitProcess(code);
 }
 
-LRESULT CALLBACK explorer_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+static LRESULT CALLBACK explorer_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
     explorer_info *info
         = (explorer_info*)GetWindowLongPtrW(hwnd,EXPLORER_INFO_INDEX);
-- 
1.7.5.3