wrong variable.

Author: anhu

pq/stm32/setup_kyber.patch

@@ -17,7 +17,7 @@ diff -u pqm4_kyber512.old/randombytes.c pqm4_kyber512/randombytes.c
 -# error "randombytes(...) is not supported on this platform"
 +    #warning randombytes() is not supported on this platform!
 +    for (size_t i = 0; i < n; i++) {
-+         buf[i] = (uint8_t)i;
++         output[i] = (uint8_t)i;
 +    }
 +    return 0;
      #endif