Fixing build error

Updating to release 5 and including a patch to 'extern' the definitions
of usage and optstring in ykpers-args.h to fix a build error on gcc10

ykpers-args-extern.patch

@@ -0,0 +1,13 @@
+--- ykpers-args.h	2019-02-19 13:29:54.000000000 +0100
++++ ykpers-args.h.patch	2020-02-14 13:27:53.624129087 +0100
+@@ -33,8 +33,8 @@
+ 
+ #include "ykpers.h"
+ 
+-const char *usage;
+-const char *optstring;
++extern const char *usage;
++extern const char *optstring;
+ 
+ int args_to_config(int argc, char **argv, YKP_CONFIG *cfg, char *oathid,
+ 		   size_t oathid_len, const char **infname,

ykpers.spec

@@ -1,11 +1,12 @@
 Name:           ykpers
 Version:        1.20.0
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Yubikey personalization program
 
 License:        BSD
 URL:            http://opensource.yubico.com/yubikey-personalization/
 Source0:        http://opensource.yubico.com/yubikey-personalization/releases/%{name}-%{version}.tar.gz
+Patch0:         ykpers-args-extern.patch
 
 %ifnarch s390 s390x
 BuildRequires: libusb1-devel
@@ -30,6 +31,7 @@ use ykpers.
 
 %prep
 %setup -q
+%patch0 -p0
 
 %build
 %configure --enable-static=no --disable-rpath \
@@ -73,6 +75,9 @@ make check
 %exclude %{_libdir}/libykpers-1.la
 
 %changelog
+* Fri Feb 14 2020 Maxim Burgerhout <wzzrd@fedoraproject.org> - 1.20.0-5
+- Fix build error for Fedora 32 / gcc10
+
 * Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.20.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild