cleanup: transition to emplace_back where possible

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I41ea0bcabe0dd71111fa96b5e1baf12d3e79d129
diff --git a/bmc/main.cpp b/bmc/main.cpp
index 5282831..031871f 100644
--- a/bmc/main.cpp
+++ b/bmc/main.cpp
@@ -136,8 +136,8 @@
 
     for (auto& config : configsFromJson)
     {
-        supportedFirmware.push_back(
-            std::move(HandlerPack(config.blobId, std::move(config.handler))));
+        supportedFirmware.emplace_back(config.blobId,
+                                       std::move(config.handler));
         actionPacks[config.blobId] = std::move(config.actions);
 
         std::fprintf(stderr, "config loaded: %s\n", config.blobId.c_str());