[gdk-pixbuf/gdk-pixbuf-2-28] build: We also support libpng16

[Matthias Clasen <matthiasc src gnome org>]

commit bc8fb63c9930cda81b733c68807078447c31cd9d
Author: Colin Walters <walters verbum org>
Date:   Mon Apr 15 05:59:09 2013 -0400

    build: We also support libpng16
    
    See http://lists.linuxtogo.org/pipermail/openembedded-core/2013-April/038321.html

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index 9cd4620..ed4aa28 100644
--- a/configure.ac
+++ b/configure.ac
@@ -586,7 +586,7 @@ fi
 
 dnl Test for libpng
   if test x$with_libpng != xno && test -z "$LIBPNG"; then
-    for l in libpng15 libpng14 libpng12 libpng13 libpng10 libpng ; do
+    for l in libpng16 libpng15 libpng14 libpng12 libpng13 libpng10 libpng; do
       AC_MSG_CHECKING(for $l)
       if $PKG_CONFIG --exists $l ; then
         AC_MSG_RESULT(yes)