build: Fix building fuzz binary on on SunOS / illumos #30216

1. 
   hebasto commented at 6:58 pm on June 2, 2024: member

   On master branch @ 457e1846d2bf6ef9d54b9ba1a330ba8bbff13091, building the fuzz binary fails:

    0$ ./autogen.sh
    1$ ./configure
    2$ gmake -C src test/fuzz/fuzz
    3< snip >
    4  CXX      test/fuzz/fuzz-http_request.o
    5test/fuzz/http_request.cpp:13:10: fatal error: event2/buffer.h: No such file or directory
    6   13 | #include <event2/buffer.h>
    7      |          ^~~~~~~~~~~~~~~~~
    8compilation terminated.
    9gmake: *** [Makefile:17138: test/fuzz/fuzz-http_request.o] Error 1
   10gmake: Leaving directory '/export/home/hebasto/git/bitcoin/src'
   

   The testing system:

   0$ uname -a
   1SunOS openindiana 5.11 illumos-82079dec87 i86pc i386 i86pc
   

   This PR fixes this issue.

2. build: Fix building `fuzz` binary on on SunOS / illumos 3299abce94
3. hebasto added the label Build system on Jun 2, 2024
4. 
   DrahtBot commented at 6:58 pm on June 2, 2024: contributor

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5. maflcko added the label Needs CMake port on Jun 3, 2024
6. 
   maflcko commented at 10:05 am on June 3, 2024: member

   ACK 3299abce948f205bb1354993614b669189f9b89f
7. fanquake added the label Needs backport (27.x) on Jun 3, 2024
8. fanquake merged this on Jun 3, 2024
9. fanquake closed this on Jun 3, 2024

   ---

10. hebasto deleted the branch on Jun 3, 2024
11. fanquake referenced this in commit ba35920542 on Jun 4, 2024
12. 
    fanquake commented at 10:43 am on June 4, 2024: member

    Backported to 27.x in #30222.
13. fanquake removed the label Needs backport (27.x) on Jun 4, 2024
14. fanquake referenced this in commit 1088a98f5a on Jun 11, 2024
15. 
    hebasto commented at 7:22 am on July 14, 2024: member

    There is nothing to port to the CMake staging branch. Deleting the “Needs CMake port” label.
16. hebasto removed the label Needs CMake port on Jul 14, 2024

Contributors
hebasto DrahtBot maflcko fanquake

Labels
Build system