More miscellaneous bools.

Change-Id: I0960fed68ef39e4523ef9f2ba89ffa92f09c4dce
Reviewed-on: https://boringssl-review.googlesource.com/19945
Reviewed-by: Steven Valdez <svaldez@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/ssl/handshake_client.cc b/ssl/handshake_client.cc
index 3469017..a779b8a 100644
--- a/ssl/handshake_client.cc
+++ b/ssl/handshake_client.cc
@@ -401,7 +401,7 @@
     return 0;
   }
 
-  int have_supported_versions;
+  bool have_supported_versions;
   CBS supported_versions;
   const SSL_EXTENSION_TYPE ext_types[] = {
     {TLSEXT_TYPE_supported_versions, &have_supported_versions,