Removed redundant errno declaration that was cause build problems under RedHat 3.2.

Removed redundant version declarations.

src/OpenThreads/pthreads/PThread.c++

@@ -50,9 +50,6 @@
 
 using namespace OpenThreads;
 
-extern int errno;
-const char *OPENTHREAD_VERSION_STRING = "OpenThreads v1.2preAlpha, Posix Threads (Public Implementation)";
-
 #ifdef DEBUG
 # define DPRINTF(arg) printf arg
 #else

src/OpenThreads/sproc/SprocThread.c++

@@ -34,7 +34,6 @@
 using namespace OpenThreads;
 
 extern int errno;
-const char *OPENTHREAD_VERSION_STRING = "Sproc Thread Model, v1.1 ("__DATE__" "__TIME__")";
 
 #ifdef DEBUG
 #define DPRINTF(arg) printf arg; fflush(stdout);

src/OpenThreads/win32/Win32Thread.cpp

@@ -64,9 +64,6 @@ Win32ThreadPrivateData::~Win32ThreadPrivateData()
 {
 }
 
-const std::string OPENTHREAD_VERSION_STRING = "OpenThread v1.2preAlpha, WindowThreads (Public Implementation)";
-
-
 //-----------------------------------------------------------------------------
 // Initialize thread master priority level
 //