- isohybrid: write only mbr unless explicitly specified otherwise

OBS-URL: https://build.opensuse.org/package/show/system:install:head/syslinux?expand=0&rev=49

syslinux.spec

@@ -44,6 +44,7 @@ Patch6:         %{name}-%{version}-libext2fs.diff
 Patch7:         %{name}-%{version}-gcc47.diff
 Patch8:         %{name}-%{version}-isohybrid_efi.diff
 Patch9:         %{name}-%{version}-isohybrid_efi_optional.diff
+Patch10:        %{name}-%{version}-isohybrid_mbr.diff
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -69,6 +70,7 @@ Authors:
 %patch7 -p0
 %patch8 -p0
 %patch9 -p1
+%patch10 -p1
 
 %build
 cp %{SOURCE2} .