Sub: wrap_180_cd no longer returns floats for integer arguments

ArduSub/commands_logic.cpp

@@ -720,7 +720,7 @@ bool Sub::verify_yaw()
     }
 
     // check if we are within 2 degrees of the target heading
-    return (fabsf(wrap_180_cd(ahrs.yaw_sensor-yaw_look_at_heading)) <= 200);
+    return (abs(wrap_180_cd(ahrs.yaw_sensor-yaw_look_at_heading)) <= 200);
 }
 
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