Fix valgrind error - memory leak in yassl's SSL_remove_state

extra/yassl/include/yassl_int.hpp

@@ -342,6 +342,7 @@ private:
 Sessions&   GetSessions();      // forward singletons
 sslFactory& GetSSL_Factory();
 Errors&     GetErrors();
+bool        HasErrors();
 
 
 // openSSL method and context types

extra/yassl/src/ssl.cpp

@@ -1493,6 +1493,7 @@ int SSLeay_add_ssl_algorithms()  // compatibility only
 
 void ERR_remove_state(unsigned long)
 {
+    if (HasErrors())
        GetErrors().Remove();
 }
 

extra/yassl/src/yassl_int.cpp

@@ -1688,6 +1688,11 @@ Errors& GetErrors()
     return *errorsInstance;
 }
 
+bool HasErrors()
+{
+  return (errorsInstance != 0);
+}
+
 
 typedef Mutex::Lock Lock;