Per RFC, continue cleanup with minor change to one file

This commit was SVN r31655.

config/opal_check_attributes.m4

@@ -66,7 +66,7 @@ AC_DEFUN([_OPAL_CHECK_SPECIFIC_ATTRIBUTE], [
                         #
                         # In case we did succeed: Fine, but was this due to the
                         # attribute being ignored/skipped? Grep for IgNoRe/skip in conftest.err
-                        # and if found, reset the ompi_cv__attribute__var=0
+                        # and if found, reset the opal_cv__attribute__var=0
                         #
                         opal_cv___attribute__[$1]=1
                         _OPAL_ATTRIBUTE_FAIL_SEARCH([$1])
@@ -110,7 +110,7 @@ AC_DEFUN([_OPAL_CHECK_SPECIFIC_ATTRIBUTE], [
                  #
                  # In case we did NOT succeed: Fine, but was this due to the
                  # attribute being ignored? Grep for IgNoRe in conftest.err
-                 # and if found, reset the ompi_cv__attribute__var=0
+                 # and if found, reset the opal_cv__attribute__var=0
                  #
                  opal_cv___attribute__[$1]=1
                  _OPAL_ATTRIBUTE_FAIL_SEARCH([$1])