scripted-diff: Rename PROVIDE_MAIN_FUNCTION -> PROVIDE_FUZZ_MAIN_FUNCTION

-BEGIN VERIFY SCRIPT-
sed -i -e 's/PROVIDE_MAIN_FUNCTION/PROVIDE_FUZZ_MAIN_FUNCTION/g' $(git grep -l PROVIDE_MAIN_FUNCTION)
-END VERIFY SCRIPT-

Author: MarcoFalke

configure.ac

@@ -1265,7 +1265,7 @@ if test "x$enable_fuzz" = "xyes"; then
     [[-fsanitize=$use_sanitizers]],
     [AC_MSG_RESULT([no])],
     [AC_MSG_RESULT([yes])
-     CPPFLAGS="$CPPFLAGS -DPROVIDE_MAIN_FUNCTION"],
+     CPPFLAGS="$CPPFLAGS -DPROVIDE_FUZZ_MAIN_FUNCTION"],
     [],
     [AC_LANG_PROGRAM([[
       #include <cstdint>
@@ -1289,7 +1289,7 @@ else
     QT_TEST_INCLUDES=SUPPRESS_WARNINGS($QT_TEST_INCLUDES)
   fi
 
-  CPPFLAGS="$CPPFLAGS -DPROVIDE_MAIN_FUNCTION"
+  CPPFLAGS="$CPPFLAGS -DPROVIDE_FUZZ_MAIN_FUNCTION"
 fi
 
 if test x$enable_wallet != xno; then

src/test/fuzz/fuzz.cpp

@@ -44,7 +44,7 @@ void initialize()
     std::get<1>(it->second)();
 }
 
-#if defined(PROVIDE_MAIN_FUNCTION)
+#if defined(PROVIDE_FUZZ_MAIN_FUNCTION)
 static bool read_stdin(std::vector<uint8_t>& data)
 {
     uint8_t buffer[1024];
@@ -71,7 +71,7 @@ extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
     return 0;
 }
 
-#if defined(PROVIDE_MAIN_FUNCTION)
+#if defined(PROVIDE_FUZZ_MAIN_FUNCTION)
 int main(int argc, char** argv)
 {
     initialize();