Accepting request 982736 from home:ecsos

- Add sigil-lto.patch to fix boo#1199981 

Hope so, because ca not test myself.

OBS-URL: https://build.opensuse.org/request/show/982736
OBS-URL: https://build.opensuse.org/package/show/Documentation:Tools/sigil?expand=0&rev=70

sigil.spec

@@ -30,6 +30,8 @@ Source1:        https://github.com/Sigil-Ebook/sigil-user-guide/releases/downloa
 Source2:        %{name}.desktop
 # PATCH-FIX-OPENSUSE Disabled __DATE__ and __TIME__ which is replaced later in pre section
 Patch0:         %{name}-gt-0.9.0-Dialogs-About.cpp.patch
+# PATCH-UPSTREAM - Fix Sigil EBUP editor terminates with SIGSEGV on startup
+Patch1:         %{name}-lto.patch
 BuildRequires:  boost-devel
 BuildRequires:  cmake >= 3.0
 BuildRequires:  dos2unix
@@ -116,7 +118,8 @@ specification and create a hierarchical Table of Contents.
 
 %prep
 %setup -q -n Sigil-%{version}
-%patch0 -p 1
+%patch0 -p1
+%patch1 -p1
 cp -v %{SOURCE1} .
 cp -v %{SOURCE2} .
 # rpmlint