Fix generating 1 too few characters in random string generator
diff --git a/tests/fuzz/sequence_compression_api.c b/tests/fuzz/sequence_compression_api.c
index bc34b39..8d225b1 100644
--- a/tests/fuzz/sequence_compression_api.c
+++ b/tests/fuzz/sequence_compression_api.c
@@ -59,7 +59,6 @@
     const char charset[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJK1234567890!@#$^&*()_";
     uint32_t seed = 0;
     if (size) {
-        --size;
         for (size_t n = 0; n < size; n++) {
             int key = FUZZ_RDG_rand(&seed) % (int) (sizeof charset - 1);
             str[n] = charset[key];