Convert all zero-argument functions to '(void)'

Otherwise, in C, it becomes a K&R function declaration which doesn't actually
type-check the number of arguments.

Change-Id: I0731a9fefca46fb1c266bfb1c33d464cf451a22e
Reviewed-on: https://boringssl-review.googlesource.com/1582
Reviewed-by: Adam Langley <agl@google.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/crypto/ec/example_mul.c b/crypto/ec/example_mul.c
index 1e83d619..d65c3a17 100644
--- a/crypto/ec/example_mul.c
+++ b/crypto/ec/example_mul.c
@@ -72,7 +72,7 @@
 #include <openssl/obj.h>
 
 
-int example_EC_POINT_mul() {
+int example_EC_POINT_mul(void) {
   /* This example ensures that 10×∞ + G = G, in P-256. */
   EC_GROUP *group = NULL;
   EC_POINT *p = NULL, *result = NULL;
@@ -119,7 +119,7 @@ err:
   return ret;
 }
 
-int main() {
+int main(void) {
   if (!example_EC_POINT_mul()) {
     fprintf(stderr, "failed\n");
     return 1;