advapi32: Constify a character string

[Frédéric Delanoy]

---
 dlls/advapi32/cred.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/advapi32/cred.c b/dlls/advapi32/cred.c
index 58dd72d..038eefa 100644
--- a/dlls/advapi32/cred.c
+++ b/dlls/advapi32/cred.c
@@ -1960,7 +1960,7 @@ BOOL WINAPI CredMarshalCredentialA( CRED_MARSHAL_TYPE type, PVOID cred, LPSTR *o
 
 static UINT cred_encode( const char *bin, unsigned int len, WCHAR *cred )
 {
-    static char enc[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789#-";
+    static const char enc[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789#-";
     UINT n = 0, x;
 
     while (len > 0)
-- 
1.8.5