Ensure that parameterdesc_start_lines is a dict at init time,
as this is how it will be set later on at the parser.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 tools/lib/python/kdoc/kdoc_item.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/python/kdoc/kdoc_item.py b/tools/lib/python/kdoc/kdoc_item.py
index 2b8a93f79716..c0585cdbcbd1 100644
--- a/tools/lib/python/kdoc/kdoc_item.py
+++ b/tools/lib/python/kdoc/kdoc_item.py
@@ -22,7 +22,7 @@ class KdocItem:
         self.sections = {}
         self.sections_start_lines = {}
         self.parameterlist = []
-        self.parameterdesc_start_lines = []
+        self.parameterdesc_start_lines = {}
         self.parameterdescs = {}
         self.parametertypes = {}
         #
-- 
2.52.0