Import patch from yaSSL after fixing warnings upstream

extra/yassl/src/ssl.cpp:
  Import patch yassl.diff
extra/yassl/taocrypt/src/integer.cpp:
  Import patch yassl.diff
extra/yassl/taocrypt/test/test.cpp:
  Import patch yassl.diff
extra/yassl/testsuite/testsuite.cpp:
  Import patch yassl.diff

extra/yassl/src/ssl.cpp

@@ -950,7 +950,7 @@ void ERR_print_errors_fp(FILE* /*fp*/)
 
 char* ERR_error_string(unsigned long errNumber, char* buffer)
 {
-    static char* msg = "Please supply a buffer for error string";
+  static char* msg = (char*)"Please supply a buffer for error string";
 
     if (buffer) {
         SetErrorString(YasslError(errNumber), buffer);

extra/yassl/taocrypt/src/integer.cpp

@@ -3390,7 +3390,7 @@ void Integer::DivideByPowerOf2(Integer &r, Integer &q, const Integer &a,
         CopyWords(r.reg_.get_buffer(), a.reg_.get_buffer(), wordCount);
         SetWords(r.reg_+wordCount, 0, r.reg_.size()-wordCount);
         if (n % WORD_BITS != 0)
-            r.reg_[wordCount-1] %= (1 << (n % WORD_BITS));
+          r.reg_[wordCount-1] %= (word(1) << (n % WORD_BITS));
     }
     else
     {

extra/yassl/taocrypt/test/test.cpp

@@ -94,7 +94,6 @@ struct testVector {
                output_((byte*)out), inLen_(strlen(in)), outLen_(strlen(out)) {}
 };
 
-void file_test(int, char**);
 int  sha_test();
 int  sha256_test();
 #ifdef WORD64_AVAILABLE
@@ -300,7 +299,7 @@ void taocrypt_test(void* args)
 #endif // NO_MAIN_DRIVER
 
 
-void file_test(char* file, byte* check)
+void file_test(const char* file, byte* check)
 {
     FILE* f;
     int   i(0);

extra/yassl/testsuite/testsuite.cpp

@@ -7,7 +7,7 @@
 typedef unsigned char byte;
 
 void taocrypt_test(void*);
-void file_test(char*, byte*);
+void file_test(const char*, byte*);
 
 void client_test(void*);
 void echoclient_test(void*);