skip fuzzing a test with switch

Author: kripken

scripts/test/fuzzing.py

@@ -93,6 +93,7 @@
     # TODO: fuzzer support for remaining stack switching instructions: switch,
     #       cont.bind
     'cont.wast',
+    'precompute-stack-switching.wast',
     # TODO: fix split_wast() on tricky escaping situations like a string ending
     #       in \\" (the " is not escaped - there is an escaped \ before it)
     'string-lifting-section.wast',