sensor: Fix build on various Windows compilers with various predefinitions.
diff --git a/src/sensor/windows/SDL_windowssensor.c b/src/sensor/windows/SDL_windowssensor.c
index c57e88f..f931af8 100644
--- a/src/sensor/windows/SDL_windowssensor.c
+++ b/src/sensor/windows/SDL_windowssensor.c
@@ -36,13 +36,16 @@
#include <SensorsApi.h>
#include <Sensors.h>
+#ifndef CLSID_SensorManager
DEFINE_GUID(CLSID_SensorManager, 0x77A1C827, 0xFCD2, 0x4689, 0x89, 0x15, 0x9D, 0x61, 0x3C, 0xC5, 0xFA, 0x3E);
+#endif
+
DEFINE_GUID(IID_SensorManager, 0xBD77DB67, 0x45A8, 0x42DC, 0x8D, 0x00, 0x6D, 0xCF, 0x15, 0xF8, 0x37, 0x7A);
DEFINE_GUID(IID_SensorManagerEvents, 0x9B3B0B86, 0x266A, 0x4AAD, 0xB2, 0x1F, 0xFD, 0xE5, 0x50, 0x10, 0x01, 0xB7);
DEFINE_GUID(IID_SensorEvents, 0x5D8DCC91, 0x4641, 0x47E7, 0xB7, 0xC3, 0xB7, 0x4F, 0x48, 0xA6, 0xC3, 0x91);
/* These constants aren't available in Visual Studio 2015 or earlier Windows SDK */
-#if defined(_MSC_VER) && _MSC_VER <= 1900
+#ifndef SENSOR_DATA_TYPE_ANGULAR_VELOCITY_X_DEGREES_PER_SECOND
DEFINE_PROPERTYKEY(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_X_DEGREES_PER_SECOND, 0X3F8A69A2, 0X7C5, 0X4E48, 0XA9, 0X65, 0XCD, 0X79, 0X7A, 0XAB, 0X56, 0XD5, 10); //[VT_R8]
DEFINE_PROPERTYKEY(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Y_DEGREES_PER_SECOND, 0X3F8A69A2, 0X7C5, 0X4E48, 0XA9, 0X65, 0XCD, 0X79, 0X7A, 0XAB, 0X56, 0XD5, 11); //[VT_R8]
DEFINE_PROPERTYKEY(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Z_DEGREES_PER_SECOND, 0X3F8A69A2, 0X7C5, 0X4E48, 0XA9, 0X65, 0XCD, 0X79, 0X7A, 0XAB, 0X56, 0XD5, 12); //[VT_R8]
