translator: fix default value for void

translator/src/main/kotlin/org/kotlinnative/translator/PropertyCodegen.kt

@@ -12,16 +12,11 @@ import org.kotlinnative.translator.llvm.LLVMVariable
 class PropertyCodegen(val state: TranslationState, val property: KtProperty, val codeBuilder: LLVMBuilder) {
     private val variableManager = state.variableManager
 
-    companion object PropertyState {
-
-    }
-
     fun generate() {
         val varInfo = state.bindingContext.get(BindingContext.VARIABLE, property)?.compileTimeInitializer ?: return
 
         val kotlinType = varInfo.type
         val value = varInfo.value
-        //[TODO] compile time initizializer
         if (kotlinType.nameIfStandardType != null) {
             val variableType = LLVMMapStandardType(property.name ?: return, kotlinType).type
             val variable = LLVMVariable(property.name.toString(), variableType, property.name.toString(), LLVMGlobalScope(), pointer = true)

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMVoidType.kt

@@ -4,7 +4,7 @@ class LLVMVoidType() : LLVMType() {
 
     override val align = 0
     override val size: Byte = 0
-    override val defaultValue = throw UnsupportedOperationException()
+    override val defaultValue = ""
 
     override fun toString(): String = "void"
 }