Use sed to add bug fix corresponding to cppad-20170000.8.

cppad.spec

@@ -18,7 +18,7 @@
 # Release starts with 1; https://fedoraproject.org/wiki/Packaging:Versioning
 Name: cppad
 Version: 20170000.4
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: C++ Algorithmic Differentiation (AD), %{name}-devel and %{name}-doc
 
 # As of yet, there are no object libraries or executables included in this
@@ -92,6 +92,15 @@ cat << EOF > junk.sed
 s|NearEqual(jfac\\*\\([^,]*\\), *value *, *eps99 *, *eps99)|NearEqual(\\1, value/jfac, eps99, eps99)|
 EOF
 sed -i test_more/div.cpp -f junk.sed
+
+# Fix a bug in the optimizer (should not be necessary for 2018)
+cat << EOF >  junk.sed
+214,214s|^|				else\\
+				{	match &= arg_match[j] == op_info[candidate].arg[j];\\
+				}\\
+|
+EOF
+sed -i cppad/local/optimize/match_op.hpp -f junk.sed
 #
 # -----------------------------------------------------------------------------
 # Replace cppad_SOURCE_DIR by the system include directory so that
@@ -180,6 +189,9 @@ make check
 
 # ----------------------------------------------------------------------------
 %changelog
+* Fri Nov 24 2017 Brad Bell <bradbell at seanet dot com> - 20170000.4-3
+- Use sed to add bug fix corresponding to cppad-20170000.8.
+
 * Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 20170000.4-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild