validate-clang-check (PD): Display also warning

Change-Id: Ie9f36ddbd95b5ebe94b9fc5e2a18ab12c1fb031f
Reviewed-on: https://code.wireshark.org/review/34903
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>

tools/validate-clang-check.py

@@ -14,6 +14,7 @@ COMMIT_FILES=$( git diff-index --cached --name-status HEAD^ | grep -v "^D" | cut
 
 for FILE in $COMMIT_FILES; do
 
+    clang-check ../$FILE
     clang-check -analyze ../$FILE
 
 done