fuzz: More like a C++ source #920

Job	Run time
build-cross (x86_64-w64-mingw32)	1m 13s
build-windows (x86)	1m 27s
build-cross (i686-w64-mingw32)	1m 59s
build-windows (x64)	1m 7s
build (ubuntu-24.04, gcc, autotools)	50s
build (ubuntu-24.04, gcc, cmake)	46s
build (ubuntu-24.04, clang, autotools)	46s
build (ubuntu-24.04, clang, distcheck)	1m 5s
build (ubuntu-24.04, clang, cmake)	48s
build (macos-13, gcc, autotools)	1m 35s
build (macos-13, gcc, cmake)	1m 22s
build (macos-13, clang, autotools)	1m 38s
build (macos-13, clang, cmake)	1m 44s
build (macos-14, gcc, autotools)	41s
build (macos-14, gcc, cmake)	41s
build (macos-14, clang, autotools)	45s
build (macos-14, clang, cmake)	43s
release	0s
	19m 10s

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