new testsuite failure: rtest16: gruntz( (x + 2^x) / 3^x, x, inf);

I get a new testsuite failure under windows with gcl-2.6.8

Running tests in rtest16: 
********************** Problem 112 ***************
Input:
        x
       2  + x
gruntz(------, x, inf)
          x
         3


Result:
mrv-mav: invalid comparison
error-catch

This differed from the expected result:
0

	David

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