[gdk-pixbuf/update-libpng-wrap] Update the libpng wrap file

[Emmanuele Bassi <ebassi src gnome org>]

commit 6c797a4debcb70a4c55e1205f8eec9142f1ee612
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Sep 12 15:24:27 2021 +0100

    Update the libpng wrap file
    
    Use the latest from `meson wrap`.

 meson.build             |  2 +-
 subprojects/libpng.wrap | 25 ++++++++++++-------------
 2 files changed, 13 insertions(+), 14 deletions(-)
---
diff --git a/meson.build b/meson.build
index 8dc3ea68b..33044e820 100644
--- a/meson.build
+++ b/meson.build
@@ -285,7 +285,7 @@ if not png_opt.disabled()
   # See: https://mesonbuild.com/Reference-manual.html#dependency
   if not png_dep.found()
     png_dep = dependency('libpng',
-      fallback: ['libpng', 'png_dep'],
+      fallback: ['libpng', 'libpng_dep'],
       required: png_opt,
     )
   endif
diff --git a/subprojects/libpng.wrap b/subprojects/libpng.wrap
index c4c751217..6503e7b97 100644
--- a/subprojects/libpng.wrap
+++ b/subprojects/libpng.wrap
@@ -1,13 +1,12 @@
-[wrap-file]
-directory = libpng-1.6.34
-
-source_url = ftp://ftp-osl.osuosl.org/pub/libpng/src/libpng16/libpng-1.6.34.tar.xz
-source_filename = libpng-1.6.34.tar.xz
-source_hash = 2f1e960d92ce3b3abd03d06dfec9637dfbd22febf107a536b44f7a47c60659f6
-
-patch_url = https://wrapdb.mesonbuild.com/v1/projects/libpng/1.6.35/4/get_zip
-patch_filename = libpng-1.6.35-4-wrap.zip
-patch_hash = 0cd6ca9e8959b9c720c25d67bbf9315ec115bfc74ea4d34ea569619f4cff986f
-
-[provide]
-libpng = png_dep
+[wrap-file]
+directory = libpng-1.6.37
+source_url = https://github.com/glennrp/libpng/archive/v1.6.37.tar.gz
+source_filename = libpng-1.6.37.tar.gz
+source_hash = ca74a0dace179a8422187671aee97dd3892b53e168627145271cad5b5ac81307
+patch_url = https://wrapdb.mesonbuild.com/v1/projects/libpng/1.6.37/3/get_zip
+patch_filename = libpng-1.6.37-3-wrap.zip
+patch_hash = 6c9f32fd9150b3a96ab89be52af664e32207e10aa9f5fb9aa015989ee2dd7100
+
+[provide]
+libpng = libpng_dep
+