Merge bitcoin/bitcoin#33235: build: set ENABLE_IPC to OFF when fuzzing

af4156a build: set ENABLE_IPC to OFF when fuzzing (fanquake)

Pull request description:

  A `BUILD_FOR_FUZZING` build will currently failure to configure, with missing `capnp`.

ACKs for top commit:
  Crypt-iQ:
    tACK af4156a
  marcofleon:
    ACK af4156a
  dergoegge:
    utACK af4156a
  janb84:
    ACK af4156a

Tree-SHA512: e3c5238cb5823116a958502eab84ee72a94cac0853fc3908ef97b6b6dc037db27806be0726f321d70ab706c37924dec526b46a3a46ea3f3f3684ce48da46a803

Author: fanquake

CMakeLists.txt

@@ -217,6 +217,7 @@ if(BUILD_FOR_FUZZING)
   set(BUILD_TESTS OFF)
   set(BUILD_GUI_TESTS OFF)
   set(BUILD_BENCH OFF)
+  set(ENABLE_IPC OFF)
   set(BUILD_FUZZ_BINARY ON)
 
   target_compile_definitions(core_interface INTERFACE