Fix build with gcc. Thanks to McBitter for testing.

src/server/shared/Cryptography/BigNumber.cpp

@@ -186,7 +186,8 @@ ACE_Auto_Array_Ptr<uint8> BigNumber::AsByteArray(int32 minSize, bool littleEndia
     if (littleEndian)
         std::reverse(array, array + length);
 
-    return ACE_Auto_Array_Ptr<uint8>(array);
+    ACE_Auto_Array_Ptr<uint8> ret(array);
+    return ret;
 }
 
 char * BigNumber::AsHexStr() const