tracetool: avoid space after "*" in arg types

QEMU code style is to have no whitespace between "*" and the
arg name. Since generated trace code will soon be added to
git, make it comply with code style.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20250916081638.764020-4-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

scripts/tracetool/__init__.py

@@ -170,10 +170,16 @@ class Arguments:
 
     def __str__(self):
         """String suitable for declaring function arguments."""
+        def onearg(t, n):
+            if t[-1] == '*':
+                return "".join([t, n])
+            else:
+                return " ".join([t, n])
+
         if len(self._args) == 0:
             return "void"
         else:
-            return ", ".join([ " ".join([t, n]) for t,n in self._args ])
+            return ", ".join([ onearg(t, n) for t,n in self._args ])
 
     def __repr__(self):
         """Evaluable string representation for this object."""