tweak threshold a little more to cover POWER10 fma

Author: martin-frbg

lapack-netlib/TESTING/stest_rfp.in

@@ -5,5 +5,5 @@ Data file for testing REAL LAPACK linear equation routines RFP format
 1 2 15                         Values of NRHS (number of right hand sides)
 9                              Number of matrix types (list types on next line if 0 < NTYPES <  9)
 1 2 3 4 5 6 7 8 9              Matrix Types
-42.0                           Threshold value of test ratio
+45.0                           Threshold value of test ratio
 T                              Put T to test the error exits