changes for Cybershake basin termsss

src/main/java/gov/usgs/earthquake/nshmp/gmm/BooreEtAl_2014.java

@@ -105,8 +105,8 @@ public class BooreEtAl_2014 implements GroundMotionModel {
       f6 = coeffs.get("f6");
       f7 = coeffs.get("f7");
       
-      f6 = coeffs.get("f6c");
-      f7 = coeffs.get("f7c");
+      f6c = coeffs.get("f6c");
+      f7c = coeffs.get("f7c");
       
       r1 = coeffs.get("R1");
       r2 = coeffs.get("R2");