[NET] cmdAccounts(): Set ProductType default value (reactos#2365)

Author: SergeGautherie

base/applications/network/net/cmdAccounts.c

@@ -17,7 +17,7 @@ cmdAccounts(
     PUSER_MODALS_INFO_0 Info0 = NULL;
     PUSER_MODALS_INFO_1 Info1 = NULL;
     PUSER_MODALS_INFO_3 Info3 = NULL;
-    NT_PRODUCT_TYPE ProductType;
+    NT_PRODUCT_TYPE ProductType = NtProductWinNt;
     LPWSTR p;
     LPWSTR endptr;
     DWORD ParamErr;