Fuzzing: Better seed corpus

fuzzing/fuzz.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 # This script mimics an invocation from https://github.com/google/oss-fuzz
 
+cd $(dirname $0)
 export CXX='clang++'
 export CXXFLAGS='-fsanitize-coverage=trace-pc-guard -fsanitize=address'
 export LIB_FUZZING_ENGINE=-lFuzzer