Fix name

Author: johnml1135

Common/CustomComponents.wxi

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<?if $(var.BuildArch) = x64 ?>
+<?if $(sys.BUILDARCH) = x64 ?>
 <?define EncodingConvertersPath = "..\..\packages\encoding-converters-core\0.9.7\runtimes\EcDistFiles\MergeModules\x64\Release" ?>
 <?else?>
 <?define EncodingConvertersPath = "..\..\packages\encoding-converters-core\0.9.7\runtimes\EcDistFiles\MergeModules\x86\Release" ?>
@@ -110,7 +110,7 @@
 	</ComponentGroup>
 
 	<DirectoryRef  Id='APPFOLDER'>
-		<?if $(var.BuildArch) = x64 ?>
+		<?if $(sys.BUILDARCH) = x64 ?>
 		<Merge Id="CC_DLL" Language="1033" SourceFile="$(var.EncodingConvertersPath)\CcDLLs64bitMM.msm" DiskId="1"/>
 		<Merge Id="EncConverters_Common" Language="1033" SourceFile="$(var.EncodingConvertersPath)\EC_40_64bit_MM.msm" DiskId="1"/>
 		<Merge Id="PerlEC" Language="1033" SourceFile="$(var.EncodingConvertersPath)\PerlEc64bitMM.msm" DiskId="1"/>