fix compile error introduced by r29488

Apologies for the breakage, I did my test build in the wrong window...

No reviewer.

cmr=v1.7.4:ticket=3865

This commit was SVN r29492.

The following SVN revision numbers were found above:
  r29488 --> open-mpi/ompi@25dd719d4d

The following Trac tickets were found above:
  Ticket 3865 --> https://svn.open-mpi.org/trac/ompi/ticket/3865

config/opal_check_attributes.m4

@@ -356,7 +356,7 @@ AC_DEFUN([OPAL_CHECK_ATTRIBUTES], [
         [])
 
 
-    _OMPI_CHECK_SPECIFIC_ATTRIBUTE([noinline],
+    _OPAL_CHECK_SPECIFIC_ATTRIBUTE([noinline],
         [
          int foo(int arg1, int arg2) __attribute__ ((__noinline__));
          int foo(int arg1, int arg2) { return arg1 * arg2 + arg1; }