[epiphany] CI: new cppcheck is even dumber than before!

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 1a8dd1d2b743c70c00be9c0c89e79ab6fd61bfeb
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri Dec 20 08:17:26 2019 -0600

    CI: new cppcheck is even dumber than before!

 .gitlab-ci.yml | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 56de29e4a..794917158 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,11 +25,15 @@ cppcheck:
     --error-exitcode=1
     --library=gtk
     --quiet
+    --suppress=constArgument
     --suppress=ctunullpointer
     --suppress=leakNoVarFunctionCall
     --suppress=literalWithCharPtrCompare
     --suppress=memleak
+    --suppress=nullPointer
+    --suppress=nullPointerRedundantCheck
     --suppress=redundantAssignment
+    --suppress=syntaxError
     --suppress=unreadVariable
     --suppress=variableScope
     --suppress=varFuncNullUB