*.c: Use `Py_XDECREF' where applicable.

The Python 2.5 version of `Py_DECREF' isn't properly braced, so `if (x)
Py_DECREF(x);' provokes a dangling-`else' warning from the compiler.

diff --git a/util.c b/util.c
index adb7800..aa75ea7 100644 (file)
--- a/util.c
+++ b/util.c
@@ -68,8 +68,8 @@ PyObject *getk64(kludge64 u)
   Py_DECREF(i); i = t;
   if ((rc = PyNumber_Int(i)) == 0) goto end;
 end:
-  if (i) Py_DECREF(i);
-  if (j) Py_DECREF(j);
+  Py_XDECREF(i);
+  Py_XDECREF(j);
   return (rc);
 #endif
 }
@@ -185,7 +185,7 @@ int convk64(PyObject *o, void *pp)
   rc = 1;
 
 end:
-  if (i) Py_DECREF(i);
+  Py_XDECREF(i);
   return (rc);
 }