Suppress nullability warnings

.clang-tidy

@@ -8,6 +8,7 @@ Checks: >
   -bugprone-suspicious-string-compare,
   -cert-err34-c,
   -clang-analyzer-unix.Malloc,
+  -clang-diagnostic-nullable-to-nonnull-conversion,
   -hicpp-signed-bitwise,
   -llvmlibc-*,
   -misc-no-recursion,

wscript

@@ -67,6 +67,7 @@ def configure(conf):
                 '-Wno-implicit-float-conversion',
                 '-Wno-implicit-int-conversion',
                 '-Wno-nullability-extension',
+                '-Wno-nullable-to-nonnull-conversion',
                 '-Wno-padded',
                 '-Wno-shorten-64-to-32',
                 '-Wno-sign-conversion',