added missing variable

git-svn-id: https://svn.inf.ethz.ch/svn/lecturers/a2/trunk@7802 8c9fc860-2736-0410-a75d-ab315db34111

source/FoxAMDBackend.Mod

@@ -1553,7 +1553,7 @@ TYPE
 
 		PROCEDURE EmitConvertFloat(CONST instruction: IntermediateCode.Instruction);
 		VAR destType, srcType, dtype: IntermediateCode.Type; dest,src,espm,imm: Assembler.Operand; sizeInBytes, index: LONGINT;
-		temp, temp2, temp3, temp4: Assembler.Operand; ticket: Ticket; vdest, vsrc: IntermediateCode.Operand;
+		temp, temp2, temp3, temp4, zero: Assembler.Operand; ticket: Ticket; vdest, vsrc: IntermediateCode.Operand;
 			unsigned: BOOLEAN; 
 		BEGIN
 			vdest := instruction.op1; vsrc := instruction.op2;