Move definition of __AFL_LEAK_CHECK inside ifguards,

use LSAN_OPTIONS=print_suppressions=0

src/afl-analyze.c

@@ -833,7 +833,8 @@ static void set_up_environment(void) {
    setenv("LSAN_OPTIONS",
          "exitcode=" STRINGIFY(LSAN_ERROR) ":"
          "fast_unwind_on_malloc=0:"
-         "symbolize=0",
+         "symbolize=0:"
+         "print_suppressions=0",
          0);