Fix typo in help message

This commit was SVN r7072.

config/ompi_setup_f90.m4

@@ -37,7 +37,7 @@ AC_DEFUN([OMPI_SETUP_F90],[
 ompi_show_subtitle "Fortran 90/95 compiler" 
 
 if test "$OMPI_WANT_F77_BINDINGS" = "0" ; then
-    AC_MSG_WARN([*** Fortran 90/95 bindings implicitly disabled because])
+    AC_MSG_WARN([*** Fortran 90/95 bindings implicitly disabled (because])
     AC_MSG_WARN([*** Fortran 77 bindings were disabled)])
 
     OMPI_WANT_F90_BINDINGS=0