Merge commits 'b161bffb 0cdc758a ec329c25 8deef00b f79f46c7 00774d07 2e3bf136 c0d9480f ' into temp-merge-1654

src/bench_rangeproof.c

@@ -5,6 +5,7 @@
  **********************************************************************/
 
 #include <stdint.h>
+#include <stdlib.h>
 
 #include "../include/secp256k1_rangeproof.h"
 #include "util.h"
@@ -61,5 +62,5 @@ int main(void) {
     run_benchmark("rangeproof_verify_bit", bench_rangeproof, bench_rangeproof_setup, NULL, &data, 10, iters);
 
     secp256k1_context_destroy(data.ctx);
-    return 0;
+    return EXIT_SUCCESS;
 }