Make fallthroughs explicit in afl-fuzz-extras.c

Using `__attribute__((fallthrough))` makes fallthroughs explicit in a way the compiler can understand. This allows the enablement of `-Wimplicit-fallthrough`.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/afl-fuzz-extras.c b/src/afl-fuzz-extras.c
index 55b6be04..da996602 100644
--- a/src/afl-fuzz-extras.c
+++ b/src/afl-fuzz-extras.c
@@ -455,13 +455,13 @@ void deunicode_extras(afl_state_t *afl) {
 
         case 2:
           if (!afl->extras[i].data[j]) { ++z3; }
-          // fall through
+          __attribute__((fallthrough));
         case 0:
           if (!afl->extras[i].data[j]) { ++z1; }
           break;
         case 3:
           if (!afl->extras[i].data[j]) { ++z4; }
-          // fall through
+          __attribute__((fallthrough));
         case 1:
           if (!afl->extras[i].data[j]) { ++z2; }
           break;