Build failure

[Hyrum K Wright]

A recent pull from the next branch exposed this build failure:

Building CXX object src/CMakeFiles/libledger.dir/utils.cc.o
^/dev/ledger/src/utils.cc:156:46: error: missing binary operator
before token "("
^/dev/ledger/src/utils.cc:230:46: error: missing binary operator
before token "("

This is on OS X 10.7, with g++ 4.2.

-Hyrum