fix testcase to avoid GCC warning about unused function

diff --git a/tests/compile/cnamespec.pyx b/tests/compile/cnamespec.pyx
index fec88d39be57ba456caabd4917c42d10a1b1f03b..66e420b81ce6b1353af7f655b8e6641908c93eb0 100644 (file)
--- a/tests/compile/cnamespec.pyx
+++ b/tests/compile/cnamespec.pyx
@@ -15,3 +15,6 @@ cdef double spam "c_spam" (int i, float f):
     b = p.i
     p.i = x
     p.i = y
+    return 0.0
+
+spam()