use quotes for local headers

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I95f247bd17cffab8b9ef3337f48336f8d7059c2d
diff --git a/src/HwmonTempMain.cpp b/src/HwmonTempMain.cpp
index 19e3505..b44fa10 100644
--- a/src/HwmonTempMain.cpp
+++ b/src/HwmonTempMain.cpp
@@ -14,8 +14,9 @@
 // limitations under the License.
 */
 
-#include <HwmonTempSensor.hpp>
-#include <Utils.hpp>
+#include "HwmonTempSensor.hpp"
+#include "Utils.hpp"
+
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/algorithm/string/replace.hpp>
 #include <boost/container/flat_set.hpp>