Fix: Adding missing @:DEALLOCATE's (#1592)

Co-authored-by: Joshua Alan Gillis <gillis5@tuolumne2152.llnl.gov>
Co-authored-by: Daniel J. Vickers <dnlvickers5@gmail.com>
Co-authored-by: Spencer Bryngelson <sbryngelson@gmail.com>

Author: 4 people

src/simulation/m_riemann_solvers.fpp

@@ -101,11 +101,13 @@ contains
 
         if (viscous) then
             @:DEALLOCATE(Re_avg_rsx_vf)
+            @:DEALLOCATE(Res_gs)
         end if
         @:DEALLOCATE(vel_src_rsx_vf)
         @:DEALLOCATE(flux_rsx_vf)
         @:DEALLOCATE(flux_src_rsx_vf)
         @:DEALLOCATE(flux_gsrc_rsx_vf)
+        @:DEALLOCATE(Gs_rs)
         if (qbmm) then
             @:DEALLOCATE(mom_sp_rsx_vf)
         end if