[babl] build: fix inclusion of m4/introspection.m4

[Øyvind Kolås <ok src gnome org>]

commit 23ae5625a2f7cc197c0bf0b3c4abb7a949974444
Author: �yvind Kolås <pippin gimp org>
Date:   Fri Jul 16 17:47:47 2010 +0100

    build: fix inclusion of m4/introspection.m4
    
    The gobject introspection additions expected autoreconf to be used in
    autogen.sh, perhaps we should do that instead? This commit should fix
    building on systems that do not have introspection.m4 in system dirs.

 autogen.sh          |    1 +
 configure.ac        |    2 +-
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index cd9712b..41b8d64 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -165,6 +165,7 @@ if test -z "$*"; then
 fi
 
 
+ACLOCAL_FLAGS="$ACLOCAL_FLAGS -I m4"
 if test -z "$ACLOCAL_FLAGS"; then
 
     acdir=`$ACLOCAL --print-ac-dir`
diff --git a/configure.ac b/configure.ac
index 0a46daa..e0790b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -75,7 +75,7 @@ if test "x$BABL_UNSTABLE" = "xyes"; then
   AC_DEFINE(BABL_UNSTABLE, 1,
             [Define to 1 if this is an unstable version of BABL])
 fi
-AM_CONDITIONAL(BABL_UNSTABLE, test "x$GEGL_UNSTABLE" = "xyes")
+AM_CONDITIONAL(BABL_UNSTABLE, test "x$BABL_UNSTABLE" = "xyes")
 AC_SUBST(BABL_UNSTABLE)
 
 
diff --git a/m4/introspection.m4 b/m4/introspection.m4
old mode 100644
new mode 100755