[gegl] autogen.sh: fix a typo

[Øyvind Kolås <ok src gnome org>]

commit f52ef504b736b6cded152ad841924e906a4e9dd0
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun Apr 26 14:12:24 2015 -0400

    autogen.sh: fix a typo

 autogen.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 0f34263..1ac8758 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -17,7 +17,7 @@ cd $srcdir
 
 AUTORECONF=`which autoreconf`
 if test -z $AUTORECONF; then
-        echo "*** No autoreconf found, please intall it ***"
+        echo "*** No autoreconf found, please install it ***"
         exit 1
 fi