[sawfish] configure.in: ... non-bash compatibility

[Christopher Bratusek <chrisb src gnome org>]

commit f64c503f4a3a140d70c679c542b7020a4c6d6139
Author: chrisb <zanghar freenet de>
Date:   Sat Jul 25 11:28:33 2009 +0200

    configure.in: ... non-bash compatibility

 ChangeLog    |    2 ++
 configure.in |    2 +-
 2 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index bf97c5b..75817e7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 2009-07-25  Christopher Bratusek <zanghar freenet de>
 	* src/Makefile.in: include $CFLAGS in gtk-style rule
 
+	* configure.in: ... non-bash compatibility
+
 2009-07-24  Christopher Bratusek <zanghar freenet de>
 	* lisp/sawfish/wm/frames.jl: support theme-tarballs compressed with XZ and LZMA (needs librep 0.90.1)
 
diff --git a/configure.in b/configure.in
index 1070a8e..02969ff 100644
--- a/configure.in
+++ b/configure.in
@@ -296,7 +296,7 @@ AC_ARG_WITH(nls,
 	    --without-nls], [], [with_nls=yes])
 
 if test "$with_nls" = "yes"; then
-	SUBDIRS+=" po"
+	SUBDIRS="${SUBDIRS} po"
 fi
 
 dnl Check for Doug Lea's malloc in libc