Fix variable initialization in BPF tracepoint example

Author: r41k0u

README.md

@@ -88,15 +88,14 @@ def hist() -> HashMap:
 @section("tracepoint/syscalls/sys_enter_clone")
 def hello(ctx: c_void_p) -> c_int64:
     process_id = pid()
-    one = 1
     prev = hist.lookup(process_id)
     if prev:
         previous_value = prev + 1
         print(f"count: {previous_value} with {process_id}")
         hist.update(process_id, previous_value)
-        return c_int64(0)
+        return 0
     else:
-        hist.update(process_id, one)
+        hist.update(process_id, 1)
     return 0