Fix broken error reporting for functions in pxds

Cython/Compiler/ParseTreeTransforms.py

@@ -239,7 +239,6 @@ class PxdPostParse(CythonTransform):
             ok = True
             for stat in node.body.stats:
                 if not isinstance(stat, CVarDefNode):
-                    self.context.error("C function definition not allowed here")
                     ok = False
                     break
             node = CVarDefNode(node.pos, 

tests/errors/e_func_in_pxd.pyx

+cimport e_func_in_pxd_support
+
+_ERRORS = u"""
+1:5: function definition not allowed here
+"""

tests/errors/e_func_in_pxd_support.pxd

+cdef foo():
+    return 1