Add missing element to FUZZTEST_INTERNAL_BIND_AGGREGATE_

fuzztest/internal/meta.h

diff --git a/fuzztest/internal/meta.h b/fuzztest/internal/meta.h
index c15dbd2..4ddada1 100644
--- a/fuzztest/internal/meta.h
+++ b/fuzztest/internal/meta.h
@@ -617,7 +617,7 @@
                                   x47, x48, x49, x50, x51, x52, x53, x54, x55,
                                   x56, x57, x58, x59, x60, x61, x62, x63, x64,
                                   x65, x66, x67, x68, x69, x70, x71, x72, x73,
-                                  x74, x75, x76, x77, x79, x80)
+                                  x74, x75, x76, x77, x78, x79, x80)
 
 #undef FUZZTEST_INTERNAL_BIND_AGGREGATE_