libwebsockets: generalise build. (#9009)
libwebsockets: generalise build. (#9009)

The current build applies ASAN flags always which hinders it from
extracting coverage and fuzz introspector reports. This PR fixes it.

Signed-off-by: David Korczynski <aa743a0aaec8f7d7a1f01442503957f4d7a2d634@adalogics.com>

Signed-off-by: David Korczynski <aa743a0aaec8f7d7a1f01442503957f4d7a2d634@adalogics.com>
google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz