[babl] configure.ac: Quote version numbers in m4 define

[Martin Nordholts <martinn src gnome org>]

commit 38d045cbc96c98f2600a2aed4b10094815386fdf
Author: Martin Nordholts <martinn src gnome org>
Date:   Tue Aug 31 20:57:15 2010 +0200

    configure.ac: Quote version numbers in m4 define

 configure.ac |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e0790b9..21ea101 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,9 +12,9 @@ AC_PREREQ(2.54)
 #    set BABL_BINARY_AGE _and_ BABL_INTERFACE_AGE to 0.
 
 
-m4_define([babl_major_version], 0)
-m4_define([babl_minor_version], 1)
-m4_define([babl_micro_version], 3)
+m4_define([babl_major_version], [0])
+m4_define([babl_minor_version], [1])
+m4_define([babl_micro_version], [3])
 m4_define([babl_real_version],
           [babl_major_version.babl_minor_version.babl_micro_version])
 m4_define([babl_version], [babl_real_version])