update lib/snprintf.c to newer copy from LPRng to resolve license issue (#1102523)

xsane.spec

@@ -15,7 +15,7 @@
 Name: xsane
 Summary: X Window System front-end for the SANE scanner interface
 Version: 0.999
-Release: 12%{?dist}
+Release: 13%{?dist}
 Source0: http://www.xsane.org/download/%{name}-%{version}.tar.gz
 Source1: xsane-256x256.png
 # use "xdg-open" instead of "netscape" to launch help browser
@@ -68,6 +68,10 @@ Patch13: xsane-0.999-signal-handling.patch
 # refactoring
 # submitted to upstream (Oliver Rauch) via email, 2014-04-02
 Patch14: xsane-0.999-coverity.patch
+# update lib/snprintf.c to the latest version from LPRng that has a Free license
+# submitted to upstream (Oliver Rauch) via email, 2014-05-29
+Patch15: xsane-0.999-update-to-current-lprng-plp_snprintf.patch
+
 # autoconf-generated files
 Patch100: xsane-0.999-7-autoconf.patch.bz2
 License: GPLv2+
@@ -135,6 +139,7 @@ done
 %patch12 -p1 -b .lcms2
 %patch13 -p1 -b .signal-handling
 %patch14 -p1 -b .coverity
+%patch15 -p1 -b .snprintf
 
 %patch100 -p1 -b .autoconf
 
@@ -234,6 +239,10 @@ fi
 %{_datadir}/sane/xsane
 
 %changelog
+* Thu May 29 2014 Tom Callaway <spot@fedoraproject.org> - 0.999-13
+- update to newer snprintf implementation from LPRng that resolves license 
+  issue (#1102523)
+
 * Thu Apr 03 2014 Nils Philippsen <nils@redhat.com> - 0.999-12
 - don't unnecessarily recreate 32px icon (#966301)
 - ship 16px icon