File tinycthread.patch of Package libretro-craft

diff -rub craft/deps/tinycthread/tinycthread.h craft-patched/deps/tinycthread/tinycthread.h
--- craft/deps/tinycthread/tinycthread.h	2019-10-25 01:39:05.150038579 +0300
+++ craft-patched/deps/tinycthread/tinycthread.h	2019-10-25 01:43:53.623190099 +0300
@@ -59,7 +59,6 @@
 
 /* Activate some POSIX functionality (e.g. clock_gettime and recursive mutexes) */
 #if defined(_TTHREAD_POSIX_)
-  #undef _FEATURES_H
   #if !defined(_GNU_SOURCE)
     #define _GNU_SOURCE
   #endif