fix failure with gcc 10

arpack.spec

@@ -24,6 +24,8 @@ URL:		https://github.com/opencollab/arpack-ng
 Source0:	https://github.com/opencollab/arpack-ng/archive/%{version}/arpack-ng-%{version}.tar.gz
 # Upstream fixes for 
 Patch0:		https://patch-diff.githubusercontent.com/raw/opencollab/arpack-ng/pull/197.patch
+# Fix for gcc 10
+Patch1:         239.patch
 
 BuildRequires:	gcc-c++
 BuildRequires:	gcc-gfortran
@@ -86,6 +88,7 @@ library and so links used for building arpack based applications.
 mv arpack-ng-%{version} src
 pushd src
 %patch0 -p1
+%patch1 -p1
 autoreconf -vif
 popd
 %if %{build64}
@@ -190,6 +193,9 @@ popd
 
 
 %changelog
+* Wed Feb 19 2020 David Schwörer <davidsch@fedoraproject.org> - 3.7.0-5
+- fix failure with gcc 10
+
 * Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.7.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild