chen3feng/toft — pull request #120 by huahang (2014-09-01 04:13:16+00:00)
Title: fix a compile warning

The macro __STDC_CONSTANT_MACROS is predefined in my toolchain and this change fixes a warning like this:

toft/base/int128.cpp:5:0: warning: "__STDC_CONSTANT_MACROS" redefined [enabled by default]