Don't borrow results of PyCode_GetName/GetFileName

Author: msimacek

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/cext/PythonCextCodeBuiltins.java

@@ -46,7 +46,7 @@
 import static com.oracle.graal.python.builtins.objects.cext.capi.transitions.ArgDescriptor.PyCodeObject;
 import static com.oracle.graal.python.builtins.objects.cext.capi.transitions.ArgDescriptor.PyCodeObjectTransfer;
 import static com.oracle.graal.python.builtins.objects.cext.capi.transitions.ArgDescriptor.PyObject;
-import static com.oracle.graal.python.builtins.objects.cext.capi.transitions.ArgDescriptor.PyObjectBorrowed;
+import static com.oracle.graal.python.builtins.objects.cext.capi.transitions.ArgDescriptor.PyObjectTransfer;
 import static com.oracle.graal.python.util.PythonUtils.EMPTY_BYTE_ARRAY;
 import static com.oracle.graal.python.util.PythonUtils.EMPTY_OBJECT_ARRAY;
 import static com.oracle.graal.python.util.PythonUtils.EMPTY_TRUFFLESTRING_ARRAY;
@@ -132,15 +132,15 @@ static int addr2line(PCode code, int bci) {
         }
     }
 
-    @CApiBuiltin(ret = PyObjectBorrowed, args = {PyCodeObject}, call = Direct)
+    @CApiBuiltin(ret = PyObjectTransfer, args = {PyCodeObject}, call = Direct)
     abstract static class PyCode_GetName extends CApiUnaryBuiltinNode {
         @Specialization
         static Object get(PCode code) {
             return code.getName();
         }
     }
 
-    @CApiBuiltin(ret = PyObjectBorrowed, args = {PyCodeObject}, call = Direct)
+    @CApiBuiltin(ret = PyObjectTransfer, args = {PyCodeObject}, call = Direct)
     abstract static class PyCode_GetFileName extends CApiUnaryBuiltinNode {
         @Specialization
         static Object get(PCode code) {