Added SUPPORT_STANDARD_FILEIO flag support for the CMake build system (#1638)

* Update CMakeOptions.txt

* Update config.h.in

* Added SUPPORT_STANDARD_FILEIO to CMakeOptions.txt

* Fixed typo

* Added SUPPORT_STANDARD_FILEIO to CompileDefinitions.cmake

Co-authored-by: KirottuM <kirottum@protonmail.com>

CMakeOptions.txt

@@ -86,4 +86,5 @@ cmake_dependent_option(SUPPORT_FILEFORMAT_MP3  "Support loading MP3 for sound" O
 cmake_dependent_option(SUPPORT_FILEFORMAT_FLAC "Support loading FLAC for sound" ${OFF} CUSTOMIZE_BUILD OFF)
 
 # utils.c
+cmake_dependent_option(SUPPORT_STANDARD_FILEIO "Support standard file io library (stdio.h)" ON CUSTOMIZE_BUILD ON)
 cmake_dependent_option(SUPPORT_TRACELOG "Show TraceLog() output messages. NOTE: By default LOG_DEBUG traces not shown" ON CUSTOMIZE_BUILD ON)

cmake/CompileDefinitions.cmake

@@ -54,6 +54,7 @@ if (${CUSTOMIZE_BUILD})
     define_if("raylib" SUPPORT_FILEFORMAT_MOD)
     define_if("raylib" SUPPORT_FILEFORMAT_FLAC)
     define_if("raylib" SUPPORT_FILEFORMAT_MP3)
+    define_if("raylib" SUPPORT_STANDARD_FILEIO)
     define_if("raylib" SUPPORT_TRACELOG)
     define_if("raylib" SUPPORT_COMPRESSION_API)