Add MPIR_ as an acceptable prefix

This commit was SVN r7128.

contrib/nightly/illegal_symbols_report.pl

@@ -33,7 +33,7 @@ my @comp_suffixes = (".so");
 
 # Acceptable public symbol prefixes
 
-my @lib_acceptable = ("ompi_" , "mpi_", "MPI_", "OMPI_", "MPI::", "PMPI_", "PMPI::", "mca_", "lt_", "orte_", "epoll", "opal_");
+my @lib_acceptable = ("ompi_" , "mpi_", "MPI_", "OMPI_", "MPI::", "PMPI_", "PMPI::", "mca_", "lt_", "orte_", "epoll", "opal_", "MIPR_");
 my @comp_acceptable = ("mca_", "orte_", "opal_");
 
 # Subject line for e-mail