BLD: add in msgpack .h deps

Author: jreback

setup.py

@@ -485,13 +485,18 @@ def pxd(name):
     macros = [('__LITTLE_ENDIAN__', '1')]
 
 packer_ext = Extension('pandas.msgpack._packer',
+                        depends=['pandas/src/msgpack/pack.h',
+                                 'pandas/src/msgpack/pack_template.h'],
                         sources = [srcpath('_packer',
                                    suffix=suffix if suffix == '.pyx' else '.cpp',
                                    subdir='msgpack')],
                         language='c++',
                         include_dirs=['pandas/src/msgpack'] + common_include,
                         define_macros=macros)
 unpacker_ext = Extension('pandas.msgpack._unpacker',
+                        depends=['pandas/src/msgpack/unpack.h',
+                                 'pandas/src/msgpack/unpack_define.h',
+                                 'pandas/src/msgpack/unpack_template.h'],
                         sources = [srcpath('_unpacker',
                                    suffix=suffix if suffix == '.pyx' else '.cpp',
                                    subdir='msgpack')],