apply CPP patch also to subdir configure

dsh/dsh.spec

@@ -37,7 +37,7 @@ Class:        PLUS
 Group:        Shell
 License:      GPL
 Version:      %{V_dsh}
-Release:      20050610
+Release:      20051014
 
 #   list of sources
 Source0:      http://www.netfort.gr.jp/~dancer/software/downloads/dsh-%{V_dsh}.tar.gz
@@ -75,7 +75,7 @@ AutoReqProv:  no
     %patch -p0
     %{l_shtool} subst \
         -e '/LINENO: error: C[+]* preprocessor/{N;N;N;N;s/.*/:/;}' \
-        configure
+        configure libdshconfig*/configure
 
 %build
     #   build libdshconfig