Moved lodepng to third_party folder

CMakeLists.txt

@@ -291,10 +291,11 @@ target_sources(${EXECUTABLE_NAME} PUBLIC
     "src/touch.cc"
     "src/touch.h"
     "src/scan_unimplemented.cc"
-	"src/lodepng.cpp"
-	"src/lodepng.h"
+	"third_party/lodepng/lodepng.cpp"
 )
 
+target_include_directories(${EXECUTABLE_NAME} PUBLIC "third_party/lodepng")
+
 if(IOS)
     target_sources(${EXECUTABLE_NAME} PUBLIC
         "src/platform/ios/paths.h"

src/input.cc

@@ -1,6 +1,7 @@
 #include "input.h"
 
 #include <SDL.h>
+#include <lodepng.h>
 
 #include "audio_engine.h"
 #include "color.h"
@@ -14,7 +15,6 @@
 #include "text_font.h"
 #include "touch.h"
 #include "win32.h"
-#include "lodepng.h"
 
 namespace fallout {