Merge bitcoin/bitcoin#31402: doc: correct libfuzzer-nosan preset flag

16b140f doc: correct libfuzzer-nosan preset flag (Niklas Gögge)

Pull request description:

  `--prefix` is not the correct option for using a preset (it's not an option at all).

ACKs for top commit:
  maflcko:
    lgtm ACK 16b140f

Tree-SHA512: 8c5fad4f8573bd9ef972447b2847ede61a3b6af9650a599f6ff7e90a2c009e4422715164261b424c08170c9e179cce241a3ca31ddc234f446316f24fc2c353b1

Author: fanquake

doc/fuzzing.md

@@ -15,7 +15,7 @@ $ FUZZ=process_message build_fuzz/src/test/fuzz/fuzz
 # abort fuzzing using ctrl-c
 ```
 
-One can use `--prefix=libfuzzer-nosan` to do the same without common sanitizers enabled.
+One can use `--preset=libfuzzer-nosan` to do the same without common sanitizers enabled.
 See [further](#run-without-sanitizers-for-increased-throughput) for more information.
 
 There is also a runner script to execute all fuzz targets. Refer to