Fix warning abut inexistent warning (#6153)

These warnings are not existing before Visual Studio 2015

Fixes #6151

Co-authored-by: Xavier Bonaventura <xavier.bonaventura@gmail.com>
Co-authored-by: Kim Kulling <kimkulling@users.noreply.github.com>

code/AssetLib/Blender/BlenderIntermediate.h

@@ -116,7 +116,7 @@ namespace Blender {
         mywrap arr;
     };
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && _MSC_VER < 1900
 #   pragma warning(disable:4351)
 #endif
 
@@ -171,7 +171,7 @@ namespace Blender {
         // original file data
         const FileDatabase& db;
     };
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && _MSC_VER < 1900
 #   pragma warning(default:4351)
 #endif
 

include/assimp/defs.h

@@ -174,7 +174,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  * Used in code analysis to skip dead paths (e.g. after an assertion evaluated to false).
  */
 #ifdef _MSC_VER
-    #pragma warning(disable : 4521 4512 4714 4127 4351 4510)
+    #pragma warning(disable : 4521 4512 4714 4127 4510)
+    #if _MSC_VER < 1900
+        #pragma warning(disable : 4351)
+    #endif
     #ifdef ASSIMP_BUILD_DLL_EXPORT
         #pragma warning(disable : 4251)
     #endif

include/assimp/mesh.h

@@ -51,7 +51,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #pragma GCC system_header
 #endif
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && _MSC_VER < 1900
 #pragma warning(disable : 4351)
 #endif // _MSC_VER