[AC21.5] Configure.ac typo

APPROVE COMMIT 21.5 If you configure current 21.5 CVS using --with-cflags-optimization, you will see a message like this: ../xemacs-21.5/configure: line 9136: -z: command not found This patch fixes the problem. I am committing it under the "obviously correct" rule. ChangeLog addition: 2006-06-05 Jerry James <james(a)xemacs.org&gt; * configure.ac: Change "if -z" to "if test -z". xemacs-21.5 source patch: Diff command: cvs -q diff -uN Files affected: configure.ac Index: configure.ac =================================================================== RCS file: /pack/xemacscvs/XEmacs/xemacs/configure.ac,v retrieving revision 1.42 diff -d -u -r1.42 configure.ac --- configure.ac 2006/05/23 13:18:50 1.42 +++ configure.ac 2006/06/06 00:13:00 ＠＠ -2220,7 +2220,7 ＠＠ # If user set --with-cflags-optimization, use it to unilaterally # determine whether optimization should be enabled. if test "$cflags_optimization_specified" = "yes" ; then - if -z "$with_cflags_optimization" ; then + if test -z "$with_cflags_optimization" ; then with_optimization=no else with_optimization=yes -- Jerry James, Assistant Professor james(a)xemacs.org Computer Science Department http://www.cs.usu.edu/~jerry/ Utah State University