conf change: s/set-point/setpoint/

Remove the dash from set-point, such that it's one word: setpoint.

Change-Id: I4c3033f3c2432a53d850e8f5defbe2ac1510daf8
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/pid/builderconfig.cpp b/pid/builderconfig.cpp
index 732d9fc..ad62c85 100644
--- a/pid/builderconfig.cpp
+++ b/pid/builderconfig.cpp
@@ -99,9 +99,9 @@
                  */
                 name = pid.lookup("name").c_str();
                 info.type = pid.lookup("type").c_str();
-                /* set-point is only required to be set for thermal. */
+                /* setpoint is only required to be set for thermal. */
                 /* TODO(venture): Verify this works optionally here. */
-                info.setpoint = pid.lookup("set-point");
+                info.setpoint = pid.lookup("setpoint");
                 info.pidInfo.ts = pid.lookup("pid.samplePeriod");
                 info.pidInfo.proportionalCoeff =
                     pid.lookup("pid.proportionalCoeff");