dnsapi: Fix the DnsQueryConfig() prototype.
diff --git a/dlls/dnsapi/query.c b/dlls/dnsapi/query.c
index 0cf2928..8fe7714 100644
--- a/dlls/dnsapi/query.c
+++ b/dlls/dnsapi/query.c
@@ -810,7 +810,7 @@
  * DnsQueryConfig          [DNSAPI.@]
  *
  */
-DNS_STATUS WINAPI DnsQueryConfig( DNS_CONFIG_TYPE config, DWORD flag, PWSTR adapter,
+DNS_STATUS WINAPI DnsQueryConfig( DNS_CONFIG_TYPE config, DWORD flag, PCWSTR adapter,
                                   PVOID reserved, PVOID buffer, PDWORD len )
 {
     DNS_STATUS ret = ERROR_INVALID_PARAMETER;