awk portability fix from HEAD

tests/scripts/test020-proxycache

@@ -417,7 +417,7 @@ esac
 #not answerable because of sizelimit, queries contained in it are no longer
 #answerable as well
 ANSWERABILITY=111001
-grep ANSWERABLE $LOG2 | awk -vFIRST=$FIRST '{ 
+grep ANSWERABLE $LOG2 | awk "BEGIN {FIRST=$FIRST}"'{ 
 		if (NR > FIRST) { 
 			if ($2 == "NOT") 
 				printf "Query %d not answerable\n",NR
@@ -425,7 +425,7 @@ grep ANSWERABLE $LOG2 | awk -vFIRST=$FIRST '{
 				printf "Query %d answerable\n",NR 
 		}
 	}' 
-ANSWERED=`grep ANSWERABLE $LOG2 | awk -vFIRST=$FIRST '{ 
+ANSWERED=`grep ANSWERABLE $LOG2 | awk "BEGIN {FIRST=$FIRST}"'{ 
 		if (NR > FIRST) { 
 			if ($2 == "NOT") 
 				printf "0"