Fix for new random seed crypto callback to properly reset error code in NOT_COMPILED_IN case.

wolfcrypt/src/random.c

@@ -2180,6 +2180,8 @@ int wc_GenerateSeed(OS_Seed* os, byte* output, word32 sz)
         ret = wc_CryptoCb_RandomSeed(os, output, sz);
         if (ret != NOT_COMPILED_IN)
             return ret;
+        /* fall-through on not compiled in */
+        ret = 0; /* reset error code */
     }
 #endif