fix test case in C++

diff --git a/tests/run/ctruthtests.pyx b/tests/run/ctruthtests.pyx
index 3a66bd171188cb6758a6e9f81e68a11949c4d9dd..5014496ad8b25ab538e6dad5fb64ded10e085472 100644 (file)
--- a/tests/run/ctruthtests.pyx
+++ b/tests/run/ctruthtests.pyx
@@ -38,8 +38,8 @@ def test_ptr():
         return False
 
 def test_ptr2():
-    cdef void* p1 = NULL
-    cdef void* p2 = NULL
+    cdef char* p1 = NULL
+    cdef char* p2 = NULL
     p1 += 1
 
     if p1 and p2: