Building latest master fails in Anaconda Python 3.3 environment on RedHat 
Checked out a2a7a5f85dd25f05f7d3b813d15dc0f1ecc45fa2, `python3 setup.py build` fails with: 

```
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -Ipandas/src/ujson/python -Ipandas/src/ujson/lib -Ipandas/src/datetime -Ipandas/src/klib -Ipandas/src -I/home/me/anaconda/envs/py33/lib/python3.3/site-packages/numpy/core/include -I/home/me/anaconda/envs/py33/include/python3.3m -c pandas/src/ujson/lib/ultrajsonenc.c -o build/temp.linux-x86_64-3.3/pandas/src/ujson/lib/ultrajsonenc.o
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -Ipandas/src/ujson/python -Ipandas/src/ujson/lib -Ipandas/src/datetime -Ipandas/src/klib -Ipandas/src -I/home/me/anaconda/envs/py33/lib/python3.3/site-packages/numpy/core/include -I/home/me/anaconda/envs/py33/include/python3.3m -c pandas/src/ujson/lib/ultrajsondec.c -o build/temp.linux-x86_64-3.3/pandas/src/ujson/lib/ultrajsondec.o
pandas/src/ujson/lib/ultrajsondec.c: In function ‘decode_numeric’:
pandas/src/ujson/lib/ultrajsondec.c:119: error: ‘LLONG_MAX’ undeclared (first use in this function)
pandas/src/ujson/lib/ultrajsondec.c:119: error: (Each undeclared identifier is reported only once
pandas/src/ujson/lib/ultrajsondec.c:119: error: for each function it appears in.)
pandas/src/ujson/lib/ultrajsondec.c:125: error: ‘LLONG_MIN’ undeclared (first use in this function)
error: command 'gcc' failed with exit status 1
```

NB: Building da14c6e857fd1fc7875cd552779a6063ec9e4ddc worked fine yesterday on Ubuntu 12.04, otherwise the same environment
