difxapi: Add stubs for DriverPackageInstall{A,W}.

dlls/difxapi/difxapi.spec

@@ -2,8 +2,8 @@
 @ stub DIFXAPISetLogCallbackW
 @ stub DriverPackageGetPathA
 @ stub DriverPackageGetPathW
-@ stub DriverPackageInstallA
-@ stub DriverPackageInstallW
+@ stdcall DriverPackageInstallA(str long ptr ptr)
+@ stdcall DriverPackageInstallW(wstr long ptr ptr)
 @ stdcall DriverPackagePreinstallA(str long)
 @ stdcall DriverPackagePreinstallW(wstr long)
 @ stub DriverPackageUninstallA

dlls/difxapi/main.c

@@ -36,3 +36,17 @@ DWORD WINAPI DriverPackagePreinstallW(LPCWSTR inf, DWORD flags)
     FIXME("(%s, %u) stub\n", wine_dbgstr_w(inf), flags);
     return ERROR_SUCCESS;
 }
+
+DWORD WINAPI DriverPackageInstallA(LPCSTR inf, DWORD flags, PCINSTALLERINFO_A info, BOOL *reboot)
+{
+    FIXME("(%s, %u, %p, %p) stub\n", wine_dbgstr_a(inf), flags, info, reboot);
+    if (reboot) *reboot = FALSE;
+    return ERROR_SUCCESS;
+}
+
+DWORD WINAPI DriverPackageInstallW(LPCWSTR inf, DWORD flags, PCINSTALLERINFO_W info, BOOL *reboot)
+{
+    FIXME("(%s, %u, %p, %p) stub\n", wine_dbgstr_w(inf), flags, info, reboot);
+    if (reboot) *reboot = FALSE;
+    return ERROR_SUCCESS;
+}