Add realpath function

test/run

@@ -12,13 +12,13 @@ badones=			# list of tests that failed
 
 # Print test welcome message
 clr
-echo "Running POSIX compliance test suite. There are 44 tests in total."
+echo "Running POSIX compliance test suite. There are 45 tests in total."
 echo " "
 
 # Run all the tests, keeping track of who failed.
 for i in  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 \
          21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 \
-         41 42 sh1.sh sh2.sh
+         41 42 43 sh1.sh sh2.sh
 do total=`expr $total + 1`
    FAIL=0
    if [ $USER = root -a \( $i = 11 -o $i = 33 \) ]