fix test_localeconv fail in aarch64 machine

(cherry picked from commit 85b145ea03c7e61f49c28efa612036d0d87c8784)

findutils.spec

@@ -1,7 +1,7 @@
 Name: findutils
 Epoch: 2
 Version: 4.7.0
-Release: 5
+Release: 6
 Summary: The GNU Find Utilities
 License: GPLv3+
 URL: http://www.gnu.org/software/findutils/
@@ -43,6 +43,9 @@ xargs - build and execute command lines from standard input
 autoreconf -fiv
 
 %build
+%ifarch aarch64
+CFLAGS="$RPM_OPT_FLAGS -fsigned-char"
+%endif
 %configure
 
 %make_build
@@ -93,6 +96,12 @@ fi
 %exclude %{_mandir}/man5/locatedb.5*
 
 %changelog
+* Sat Dec 18 2021 shixuantong <shixuantong@huawei.com> - 2:4.7.0-6
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:fix test_localeconv fail in aarch64 machine
+
 * Thu Apr 23 2020 openEuler Buildteam <buildteam@openeuler.org> - 2:4.7.0-5
 - Type:bugfix
 - ID:NA