Fixed building through CMake

CMakeLists.txt

@@ -11,6 +11,8 @@ set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)
 if (NOT WIN32)
 find_package(SDL2 REQUIRED)
 include_directories(${SDL2_INCLUDE_DIRS})
+else()
+include_directories("${PROJECT_SOURCE_DIR}/thirdparty/SDL2/include/")
 if (UNIX AND NOT APPLE)
     find_package (Threads)
 endif()

devices/displayid.cpp

@@ -21,7 +21,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 #include "displayid.h"
 #include <thirdparty/loguru/loguru.hpp>
-#include "thirdparty/SDL2/include/SDL.h"
+#include "SDL.h"
 
 DisplayID::DisplayID() {
     /* Initialize Apple monitor codes */

devices/displayid.h

@@ -33,7 +33,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #ifndef DISPLAY_ID_H
 #define DISPLAY_ID_H
 
-#include "thirdparty/SDL2/include/SDL.h"
+#include "SDL.h"
 #include <cinttypes>
 
 /** I2C bus states. */