Add in missing curly braces part 1.

Everything before crypto/ec.

Change-Id: Icbfab8e4ffe5cc56bf465eb57d3fdad3959a085c
Reviewed-on: https://boringssl-review.googlesource.com/3401
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/crypto/bn/ctx.c b/crypto/bn/ctx.c
index e54007b..e3a5c92 100644
--- a/crypto/bn/ctx.c
+++ b/crypto/bn/ctx.c
@@ -205,14 +205,14 @@
 }
 
 static void BN_STACK_finish(BN_STACK *st) {
-  if (st->size)
+  if (st->size) {
     OPENSSL_free(st->indexes);
+  }
 }
 
 static int BN_STACK_push(BN_STACK *st, unsigned int idx) {
-  if (st->depth == st->size)
-      /* Need to expand */
-  {
+  if (st->depth == st->size) {
+    /* Need to expand */
     unsigned int newsize =
         (st->size ? (st->size * 3 / 2) : BN_CTX_START_FRAMES);
     unsigned int *newitems = OPENSSL_malloc(newsize * sizeof(unsigned int));