Backport upstream patch to fix C compatibility issue

Related to:

  <https://fedoraproject.org/wiki/Changes/PortingToModernC>
  <https://fedoraproject.org/wiki/Toolchain/PortingToModernC>

gutenprint-c99.patch

@@ -0,0 +1,24 @@
+commit 75af7caf4d3369de2d0c5432220da15fae64f58b
+Author: Solomon Peachy <pizza@shaftnet.org>
+Date:   Fri Dec 22 08:56:32 2023 -0500
+
+    gimpui:  Fix two implicit-pointer-cast-to-int instances
+    
+    (The GIMP API uses an opaque 32-bit "handle")
+
+diff --git a/src/gimp2/print.c b/src/gimp2/print.c
+index fc1344f6..2ebdb352 100644
+--- a/src/gimp2/print.c
++++ b/src/gimp2/print.c
+@@ -114,8 +114,8 @@ stpui_get_thumbnail_data_function(void *image_ID, gint *width, gint *height,
+ {
+   if (gimp_thumbnail_data)
+     g_free(gimp_thumbnail_data);
+-  gint x = gimp_image_width(image_ID);
+-  gint y = gimp_image_height(image_ID);
++  gint x = gimp_image_width(p2gint(image_ID));
++  gint y = gimp_image_height(p2gint(image_ID));
+   if (*width > x)
+     *width = x;
+   if (*height > y)
+

gutenprint.spec

@@ -25,7 +25,7 @@
 Name:           gutenprint
 Summary:        Printer Drivers Package
 Version:        5.3.4
-Release:        13%{?dist}
+Release:        14%{?dist}
 URL:            http://gimp-print.sourceforge.net/
 Source0:        http://downloads.sourceforge.net/gimp-print/%{name}-%{version}.tar.xz
 # Post-install script to update CUPS native PPDs.
@@ -38,6 +38,7 @@ Patch3:         gutenprint-manpage.patch
 Patch4:         gutenprint-python36syntax.patch
 Patch5:         gutenprint-xmlfixes.patch
 Patch6:         gutenprint-libusb-crash.patch
+Patch7:         gutenprint-c99.patch
 License:        GPL-2.0-or-later AND LGPL-2.0-or-later AND MIT AND GPL-3.0-or-later WITH Bison-exception-2.2
 
 
@@ -189,6 +190,8 @@ sed -i -e 's,^#!/usr/bin/python3,#!%{__python3},' src/cups/cups-genppdupdate.in
 # 2055504 - Set gutenprint53+usb backend to use the default USB context
 %patch -P 6 -p1 -b .crash
 
+%patch -P 7 -p1 -b .c99
+
 %build
 # Don't run the weave test as it takes a very long time.
 sed -i -e 's,^\(TESTS *=.*\) run-weavetest,\1,' test/Makefile.in
@@ -316,6 +319,9 @@ exit 0
 %{_mandir}/man8/cups-genppd*8*.gz
 
 %changelog
+* Wed Jan 03 2024 Florian Weimer <fweimer@redhat.com> - 5.3.4-14
+- Backport upstream patch to fix C compatibility issue
+
 * Thu Nov 16 2023 Zdenek Dohnal <zdohnal@redhat.com> - 5.3.4-13
 - make gutenprint and gutenprint-libs-ui dependant on cups-client - both checks for existence of lp