msi: Mark internal symbols with hidden visibility.

[Francois Gouget]

---
 dlls/msi/msipriv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/msi/msipriv.h b/dlls/msi/msipriv.h
index 2b95999..a953d28 100644
--- a/dlls/msi/msipriv.h
+++ b/dlls/msi/msipriv.h
@@ -39,7 +39,7 @@
 #include "wine/debug.h"
 
 static const BOOL is_64bit = sizeof(void *) > sizeof(int);
-BOOL is_wow64;
+BOOL is_wow64 DECLSPEC_HIDDEN;
 
 #define MSI_DATASIZEMASK 0x00ff
 #define MSITYPE_VALID    0x0100
-- 
2.1.4