Add slotdefs_name_counts to ignored.tsv to make c-analyzer happy

Author: sergey-miryanov

Tools/c-analyzer/cpython/ignored.tsv

@@ -340,6 +340,8 @@ Objects/obmalloc.c	-	obmalloc_state_main	-
 Objects/obmalloc.c	-	obmalloc_state_initialized	-
 Objects/typeobject.c	-	name_op	-
 Objects/typeobject.c	-	slotdefs	-
+# It initialized only once when main interpeter starts
+Objects/typeobject.c	-	slotdefs_name_counts	-
 Objects/unicodeobject.c	-	stripfuncnames	-
 Objects/unicodeobject.c	-	utf7_category	-
 Objects/unicodeobject.c	unicode_decode_call_errorhandler_wchar	argparse	-