[libpeas] Allow also python2.5-config, python2.6-config and python2.7-config

[Thomas Bechtold <toabctl src gnome org>]

commit 8c0958dd1b5c86ca1691d5bcb8da2931155d6c8e
Author: Thomas Bechtold <thomasbechtold jpberlin de>
Date:   Sat Mar 16 10:45:24 2013 +0100

    Allow also python2.5-config, python2.6-config and python2.7-config
    
    https://bugzilla.gnome.org/show_bug.cgi?id=695957

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a973382..ae16dfb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -340,7 +340,7 @@ else
         found_python2="no (python2 not found)"
     else
         AM_PYTHON_CHECK_VERSION($PYTHON2, $PYTHON2_REQUIRED, [
-            AC_PATH_TOOL(PYTHON2_CONFIG, "python2-config")
+            AC_PATH_PROGS(PYTHON2_CONFIG, [python2-config python2.7-config python2.6-config 
python2.5-config])
             if test -n "${PYTHON2_CONFIG}"; then
                 PKG_CHECK_MODULES(PYGOBJECT, pygobject-3.0 >= $PYGOBJECT_REQUIRED, [
                     found_python2=yes