Small fixes for unused argument warnings w/ Makefile.standalone "sb" target.

src/IceBrowserCompileServer.cpp

@@ -101,6 +101,7 @@ std::unique_ptr<llvm::raw_fd_ostream> getOutputStream(int FD) {
 
 void fatalErrorHandler(void *UserData, const std::string &Reason,
                        bool GenCrashDialog) {
+  (void)GenCrashDialog;
   BrowserCompileServer *Server =
       reinterpret_cast<BrowserCompileServer *>(UserData);
   Server->setFatalError(Reason);

src/main.cpp

@@ -24,6 +24,7 @@ int main(int argc, char **argv) {
   // There are no real commandline arguments in the browser case.
   // They are supplied via IPC.
   assert(argc == 1);
+  (void)argc;
   (void)argv;
   Ice::BrowserCompileServer Server(Comp);
   Server.run();