Add crashpad_database_util and its man page

handler/mac/main.cc

Index: handler/mac/main.cc
diff --git a/handler/mac/main.cc b/handler/mac/main.cc
index a67364bd4f5d3c3706577ea6028ad4a8160d1ad8..1df183f94c924df92e7aba3105f2174d21ed193b 100644
--- a/handler/mac/main.cc
+++ b/handler/mac/main.cc
@@ -77,7 +77,7 @@ int HandlerMain(int argc, char* argv[]) {
   } options = {};
   options.handshake_fd = -1;
 
-  const struct option long_options[] = {
+  const option long_options[] = {
       {"annotation", required_argument, nullptr, kOptionAnnotation},
       {"database", required_argument, nullptr, kOptionDatabase},
       {"handshake-fd", required_argument, nullptr, kOptionHandshakeFD},