transpose: cleanup

Change-Id: I21fb8c933587fae5ce3ac07bb9582431e542f173

src/media/video/filter_transpose.cpp

@@ -29,11 +29,7 @@ getTransposeFilter(
     int rotation, std::string inputName, int width, int height, int format, bool rescale)
 {
     JAMI_WARN("Rotation set to %d", rotation);
-#ifdef _MSC_VER
-    if (_isnan(rotation) || !rotation) {
-#else
-    if (std::isnan(rotation) || !rotation) {
-#endif
+    if (rotation == 0) {
         return {};
     }