Remove OS(QNX) support.

Source/wtf/Platform.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 338 matching lines @@
 /* OS(NETBSD) - NetBSD */
 #if defined(__NetBSD__)
 #define WTF_OS_NETBSD 1
 #endif
 
 /* OS(OPENBSD) - OpenBSD */
 #ifdef __OpenBSD__
 #define WTF_OS_OPENBSD 1
 #endif
 
-/* OS(QNX) - QNX */
-#if defined(__QNXNTO__)
-#define WTF_OS_QNX 1
-#endif
-
 /* OS(SOLARIS) - Solaris */
 #if defined(sun) || defined(__sun)
 #define WTF_OS_SOLARIS 1
 #endif
 
 /* OS(WINDOWS) - Any version of Windows */
 #if defined(WIN32) || defined(_WIN32)
 #define WTF_OS_WINDOWS 1
 #endif
 
 #define WTF_OS_WIN ERROR "USE WINDOWS WITH OS NOT WIN"
 #define WTF_OS_MAC ERROR "USE MAC_OS_X WITH OS NOT MAC"
 
 /* OS(UNIX) - Any Unix-like system */
 #if   OS(AIX)              \
     || OS(ANDROID)          \
     || OS(DARWIN)           \
     || OS(FREEBSD)          \
     || OS(HURD)             \
     || OS(LINUX)            \
     || OS(NETBSD)           \
     || OS(OPENBSD)          \
-    || OS(QNX)              \
     || OS(SOLARIS)          \
     || defined(unix)        \
     || defined(__unix)      \
     || defined(__unix__)
 #define WTF_OS_UNIX 1
 #endif
 
 /* Operating environments */
 
 /* Graphics engines */
@@ skipping 51 matching lines @@
 
 #if OS(UNIX) && !OS(ANDROID)
 #define HAVE_LANGINFO_H 1
 #endif
 
 #if (OS(FREEBSD) || OS(OPENBSD)) && !defined(__GLIBC__)
 #define HAVE_PTHREAD_NP_H 1
 #endif
 
 #if !defined(HAVE_VASPRINTF)
-#if !COMPILER(MSVC) && !COMPILER(MINGW) && !(COMPILER(GCC) && OS(QNX))
+#if !COMPILER(MSVC) && !COMPILER(MINGW)
 #define HAVE_VASPRINTF 1
 #endif
 #endif
 
 #if !defined(HAVE_STRNSTR)
 #if OS(DARWIN) || (OS(FREEBSD) && !defined(__GLIBC__))
 #define HAVE_STRNSTR 1
 #endif
 #endif
 
@@ skipping 37 matching lines @@
 
 #if !defined(ENABLE_THREADING_LIBDISPATCH) && HAVE(DISPATCH_H)
 #define ENABLE_THREADING_LIBDISPATCH 1
 #elif !defined(ENABLE_THREADING_OPENMP) && defined(_OPENMP)
 #define ENABLE_THREADING_OPENMP 1
 #elif !defined(THREADING_GENERIC)
 #define ENABLE_THREADING_GENERIC 1
 #endif
 
 #endif /* WTF_Platform_h */