- Add gccwarns.diff to address some undefined behavior.

OBS-URL: https://build.opensuse.org/package/show/utilities/schily?expand=0&rev=15

schily.spec

@@ -33,6 +33,7 @@ Source:         https://downloads.sf.net/schilytools/%name-%rver.tar.bz2
 Patch1:         gcc48wa.diff
 Patch2:         mkisofs-j-crash.diff
 Patch3:         iconv-name.diff
+Patch4:         gccwarns.diff
 # Honor https://en.opensuse.org/openSUSE:Packaging_Patches_guidelines#Upstream_policy
 # and submit patches upstream FIRST (cc to the bspkg maintainer perhaps).
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -396,7 +397,7 @@ Features:
 
 %prep
 %setup -qn %name-%rver
-%patch -P 1 -P 2 -P 3 -p1
+%patch -P 1 -P 2 -P 3 -P 4 -p1
 find . "(" -type d -o -type f ")" -exec chmod u+w "{}" "+"
 
 %build