ossfuzz: Prevent large numbers of headers from causing timeouts #75

Job	Run time
BuildFuzzers	13m 6s
RunFuzzers (curl_fuzzer_dict)	2m 57s
RunFuzzers (curl_fuzzer_file)	2m 57s
RunFuzzers (curl_fuzzer_ftp)	2m 57s
RunFuzzers (curl_fuzzer_gopher)	2m 56s
RunFuzzers (curl_fuzzer_http)	3m 10s
RunFuzzers (curl_fuzzer_https)	3m 3s
RunFuzzers (curl_fuzzer_imap)	3m 10s
RunFuzzers (curl_fuzzer_ldap)	3m 2s
RunFuzzers (curl_fuzzer_mqtt)	3m 2s
RunFuzzers (curl_fuzzer_pop3)	2m 58s
RunFuzzers (curl_fuzzer_rtmp)	2m 59s
RunFuzzers (curl_fuzzer_rtsp)	3m 3s
RunFuzzers (curl_fuzzer_scp)	3m 2s
RunFuzzers (curl_fuzzer_sftp)	2m 58s
RunFuzzers (curl_fuzzer_smb)	2m 56s
RunFuzzers (curl_fuzzer_smtp)	2m 59s
RunFuzzers (curl_fuzzer_tftp)	2m 55s
RunFuzzers (curl_fuzzer_ws)	3m 7s
RunFuzzers (curl_fuzzer)	3m 3s
RunFuzzers (fuzz_url)	2m 58s
	1h 13m 18s

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