Fix detection of open_memstream

scipy.spec

@@ -154,6 +154,10 @@ for f in $(grep -Frl numpy.distutils); do
   rm $f.orig
 done
 
+# Work around failure to detect open_memstream.  In glibc, open_memstream is
+# not a real function.  It is a weak alias to __open_memstream.
+sed -i "s/\('has_openmemstream', \)'0'/\1'1'/" scipy/_lib/meson.build
+
 %build
 export SCIPY_USE_PYTHRAN=0%{?with_pythran}
 
@@ -292,6 +296,7 @@ popd
 - Add Provides for bundled projects
 - Disable LTO
 - Pythran works on 32-bit architectures again
+- Fix detection of open_memstream
 
 * Wed Jul 12 2023 psimovec <psimovec@redhat.com> - 1.11.1-1
 - New upstream release 1.11.1