Updated to allow compilation in both float & double

Code surrounding 'RealOpenMMType == 0' will be removed 
once confirmed free-energy plugin code does not break

platforms/reference/src/gbsa/GBVIParameters.cpp

@@ -300,7 +300,7 @@ int GBVIParameters::setScaledRadii( RealOpenMM* scaledRadii ){
 
 }
 
-#if RealOpenMMType == 2
+#if RealOpenMMType == 0
 
 /**---------------------------------------------------------------------------------------
 
@@ -443,7 +443,7 @@ int GBVIParameters::setGammaParameters( RealOpenMM* gammas ){
 
 }
 
-#if RealOpenMMType == 2
+#if RealOpenMMType == 0
 
 /**---------------------------------------------------------------------------------------
 

platforms/reference/src/gbsa/GBVIParameters.h

@@ -93,7 +93,7 @@ class GBVIParameters : public ImplicitSolventParameters {
          --------------------------------------------------------------------------------------- */
       
       int setScaledRadii( RealOpenMM* scaledRadii );
-#if RealOpenMMType == 2
+#if RealOpenMMType == 0
       int setScaledRadii( float* scaledRadii );
 #endif
       int setScaledRadii( const RealOpenMMVector& scaledRadii );

platforms/reference/src/gbsa/ObcParameters.cpp

@@ -431,7 +431,7 @@ int ObcParameters::setScaledRadiusFactors( RealOpenMM* scaledRadiusFactors ){
 
 }
 
-#if RealOpenMMType == 2
+#if RealOpenMMType == 0
 
 /**---------------------------------------------------------------------------------------
 

platforms/reference/src/gbsa/ObcParameters.h

@@ -184,7 +184,7 @@ class ObcParameters : public ImplicitSolventParameters {
          --------------------------------------------------------------------------------------- */
       
       int setScaledRadiusFactors( RealOpenMM* scaledRadiusFactors );
-#if RealOpenMMType == 2
+#if RealOpenMMType == 0
       int setScaledRadiusFactors( float* scaledRadiusFactors );
 #endif
       int setScaledRadiusFactors( const RealOpenMMVector& scaledRadiusFactors );