Cleanup.

examples/common/imgui/ocornut_imgui.cpp

@@ -125,9 +125,9 @@ struct OcornutImguiContext
 		uint8_t* data;
 		int32_t width;
 		int32_t height;
-		void* font = malloc(_size);
+		void* font = ImGui::MemAlloc(_size);
 		memcpy(font, _data, _size);
-		io.Fonts->AddFontFromMemoryTTF(const_cast<void*>(font), _size, _fontSize);
+		io.Fonts->AddFontFromMemoryTTF(font, _size, _fontSize);
 
 		io.Fonts->GetTexDataAsRGBA32(&data, &width, &height);