does this fix gcc error?

Signed-off-by: Larry Gritz <[email protected]>

Author: lgritz

src/include/OpenImageIO/typedesc.h

@@ -399,8 +399,8 @@ template<> struct BaseTypeFromC<unsigned short> { static const TypeDesc::BASETYP
 template<> struct BaseTypeFromC<short> { static const TypeDesc::BASETYPE value = TypeDesc::INT16; };
 template<> struct BaseTypeFromC<unsigned int> { static const TypeDesc::BASETYPE value = TypeDesc::UINT; };
 template<> struct BaseTypeFromC<int> { static const TypeDesc::BASETYPE value = TypeDesc::INT; };
-template<> struct BaseTypeFromC<unsigned long long> { static const TypeDesc::BASETYPE value = TypeDesc::UINT64; };
-template<> struct BaseTypeFromC<long long> { static const TypeDesc::BASETYPE value = TypeDesc::INT64; };
+template<> struct BaseTypeFromC<uint64_t> { static const TypeDesc::BASETYPE value = TypeDesc::UINT64; };
+template<> struct BaseTypeFromC<int64_t> { static const TypeDesc::BASETYPE value = TypeDesc::INT64; };
 #if defined(_HALF_H_) || defined(IMATH_HALF_H_)
 template<> struct BaseTypeFromC<half> { static const TypeDesc::BASETYPE value = TypeDesc::HALF; };
 #endif