_MSC_VER is more appropriate to guard MSVC-specific #pragma

Thanks to sberg for noticing this

Change-Id: I37a3031cbfa3f8a0751bab126bd742dcec36664f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141743
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
diff --git a/libreofficekit/qa/gtktiledviewer/gtv-application-window.cxx b/libreofficekit/qa/gtktiledviewer/gtv-application-window.cxx
index 32ad84a..ef2f269 100644
--- a/libreofficekit/qa/gtktiledviewer/gtv-application-window.cxx
+++ b/libreofficekit/qa/gtktiledviewer/gtv-application-window.cxx
@@ -151,7 +151,7 @@ static void initWindow(GtvApplicationWindow* window)
#if defined __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#elif defined _WIN32
#elif defined _MSC_VER
#pragma warning(push)
#pragma warning(disable:4996)
#endif
@@ -161,7 +161,7 @@ static void initWindow(GtvApplicationWindow* window)
    gtk_container_set_focus_chain ( GTK_CONTAINER (priv->container), focusChain );
#if defined __GNUC__
#pragma GCC diagnostic pop
#elif defined _WIN32
#elif defined _MSC_VER
#pragma warning(pop)
#endif