!11 fix failure caused by GCC upgrade to 10

From: @Lin__Jiaxin
Reviewed-by: @small_leek
Signed-off-by: @small_leek

fprintd.spec

@@ -1,10 +1,11 @@
 Name:             fprintd
 Version:          0.8.1
-Release:          5
+Release:          6
 Summary:          Support for consumer fingerprint reader devices
 License:          GPLv2+
 Url:              http://www.freedesktop.org/wiki/Software/fprint/fprintd
 Source0:          https://gitlab.freedesktop.org/libfprint/fprintd/uploads/bdd9f91909f535368b7c21f72311704a/%{name}-%{version}.tar.xz
+Patch0:           gcc-10.patch
 
 BuildRequires:    dbus-glib-devel pam-devel libfprint-devel >= 0.1.0 polkit-devel gtk-doc
 BuildRequires:    intltool autoconf automake libtool perl-podlators pkgconfig(systemd)
@@ -81,6 +82,9 @@ fi
 %{_mandir}/man1/fprintd.1.gz
 
 %changelog
+* Fri Jul 30 2021 linjiaxin5 <linjiaxin5@huawei.com> - 0.8.1-6
+- Fix failure caused by GCC upgrade to 10
+
 * Fri Feb 26 2021 lingsheng <lingsheng@huawei.com> - 0.8.1-5
 - Disable with-fingerprint when with-fingerprint is enabled
 

gcc-10.patch

@@ -0,0 +1,34 @@
+diff -uprN src/main.c src/main.c
+--- a/src/main.c  2018-05-25 21:59:57.000000000 +0800
++++ b/src/main.c 2021-08-03 19:22:20.936874961 +0800
+@@ -34,6 +34,7 @@
+ #include "storage.h"
+ #include "file_storage.h"
+
++extern fp_storage store;
+ extern DBusGConnection *fprintd_dbus_conn;
+ static gboolean no_timeout = FALSE;
+ static gboolean g_fatal_warnings = FALSE;
+diff -uprN src/storage.h src/storage.h
+--- a/src/storage.h       2021-08-03 19:21:30.172006757 +0800
++++ b/src/storage.h      2021-08-03 19:21:06.431600737 +0800
+@@ -44,7 +44,7 @@ struct storage {
+ typedef struct storage fp_storage;
+
+ /* The currently setup store */
+-fp_storage store;
++extern fp_storage store;
+
+ #endif
+
+diff -uprN src/device.c src/device.c
+--- a/src/device.c        2021-08-03 19:21:01.023508246 +0800
++++ b/src/device.c       2021-08-03 19:22:03.900583598 +0800
+@@ -34,6 +34,7 @@
+ #include "fprintd.h"
+ #include "storage.h"
+
++fp_storage store;
+ static char *fingers[] = {
+	"left-thumb",
+	"left-index-finger",