Add byteswap.hpp to the list of installed headers

src/ox/fs/filesystem.cpp

@@ -30,7 +30,7 @@ FileSystem *createFileSystem(void *buff) {
 			}
 			break;
 		default:
-			return nullptr;
+			break;
 	}
 
 	return fs;

src/ox/std/CMakeLists.txt

@@ -9,6 +9,7 @@ add_library(
 
 install(
 	FILES
+		byteswap.hpp
 		memops.hpp
 		strops.hpp
 		std.hpp