fix C/C++ preprocessor workaround substitution

openpkg/openpkg.spec

@@ -531,7 +531,7 @@ Provides:     OpenPKG
          -e '/^CXX = /s;@CXX@;@CC@;g' \
          Makefile.in
       sh $shtool subst \
-          -e '/LINENO: error: C\+\+ preprocessor/{N;N;N;N;s/.*/:/;}' \
+          -e '/LINENO: error: C[+]* preprocessor/{N;N;N;N;s/.*/:/;}' \
           configure
     ) || exit $?
 
@@ -639,7 +639,7 @@ Provides:     OpenPKG
     #   build cURL tool
     ( cd curl-%{V_curl}
       sh $shtool subst \
-          -e '/LINENO: error: C\+\+ preprocessor/{N;N;N;N;s/.*/:/;}' \
+          -e '/LINENO: error: C[+]* preprocessor/{N;N;N;N;s/.*/:/;}' \
           configure
       ( echo 'ac_cv_header_openssl_engine_h=no'
         echo 'lt_cv_prog_compiler_c_o_F77=no'