dev.pyxbld fixed

dev.pyxbld

@@ -5,7 +5,7 @@ def make_ext(modname, pyxfilename):
     import os
     import sys
     return Extension(name='dev', sources=["dev.pyx"], language="c",
-                     extra_compile_args=['-fopenmp'],
+                     extra_compile_args=['-fopenmp', '-std=c99'],
                      extra_link_args=['-lomp'],
                      libraries=['gsl', 'gslcblas'],
                      library_dirs=[os.path.join(sys.prefix, 'lib'),