config.h: removed bogus check for USE_UNIX_BACKTRACE_SUPPORT

Author: firewave

lib/config.h

@@ -208,8 +208,7 @@
 #define USE_WINDOWS_SEH
 #endif
 
-// TODO: __GLIBC__ is dependent on the features.h include and not a built-in compiler define, so it might be problematic to depend on it
-#if !defined(NO_UNIX_BACKTRACE_SUPPORT) && defined(__GNUC__) && defined(__GLIBC__) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__NetBSD__) && !defined(__SVR4) && !defined(__QNX__)
+#if !defined(NO_UNIX_BACKTRACE_SUPPORT) && defined(__GNUC__) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__NetBSD__) && !defined(__SVR4) && !defined(__QNX__)
 #define USE_UNIX_BACKTRACE_SUPPORT
 #endif