Remove -fcommon build workaround

This was fixed in mesa at some point.

mesa.spec

@@ -52,7 +52,7 @@ Name:           mesa
 Summary:        Mesa graphics libraries
 %global ver 20.2.0-rc3
 Version:        %{lua:ver = string.gsub(rpm.expand("%{ver}"), "-", "~"); print(ver)}
-Release:        1%{?dist}
+Release:        2%{?dist}
 License:        MIT
 URL:            http://www.mesa3d.org
 
@@ -329,10 +329,6 @@ sed -i -e 's/import xml.etree.cElementTree/import xml.etree.ElementTree/g' \
 # Disable LTO for now
 %define _lto_cflags %{nil}
 
-# Build with -fcommon until the omx build with gcc10 is fixed upstream
-# https://gitlab.freedesktop.org/mesa/mesa/issues/2385
-%global optflags %{optflags} -fcommon
-
 %meson -Dcpp_std=gnu++14 \
   -Dplatforms=x11,wayland,drm,surfaceless \
   -Ddri3=true \
@@ -593,6 +589,9 @@ popd
 %endif
 
 %changelog
+* Thu Sep 03 2020 Pete Walter <pwalter@fedoraproject.org> - 20.2.0~rc3-2
+- Remove -fcommon build workaround
+
 * Sat Aug 29 20:21:42 BST 2020 Pete Walter <pwalter@fedoraproject.org> - 20.2.0~rc3-1
 - Update to 20.2.0~rc3