This fix is about WL#2286 - Compile MySQL w/YASSL support


extra/yassl/include/yassl_int.hpp:
  Use instance as static class member to fix FC compilation problem.
extra/yassl/src/yassl_int.cpp:
  Remove local static variable, use static class member instead.
extra/yassl/taocrypt/include/integer.hpp:
  Use instance as static class member to fix FC compilation problem.
extra/yassl/taocrypt/src/integer.cpp:
  Remove local static variable, use static class member instead.