Make every Python API __len__() method return a PyIntObject.

swig 2.0+ seems to default to using PyLongObjects, but the __len__()
method _must_ return a PyIntObject.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@156639 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/scripts/Python/interface/SBProcess.i b/scripts/Python/interface/SBProcess.i
index 3710055..2069adf 100644
--- a/scripts/Python/interface/SBProcess.i
+++ b/scripts/Python/interface/SBProcess.i
@@ -321,7 +321,8 @@
                 self.sbprocess = sbprocess
         
             def __len__(self):
-                if self.sbprocess: return self.sbprocess.GetNumThreads()
+                if self.sbprocess:
+                    return int(self.sbprocess.GetNumThreads())
                 return 0
         
             def __getitem__(self, key):