Cnv, reverted remove of cdh_ToLower

src/exe/co_convert/src/cnv_classdep.cpp

@@ -63,6 +63,7 @@ int CnvClassDep::read()
   int currentidx = 0;
 
   sprintf(fname, "$pwre_broot/$pwre_target/bld/wbl/*.cdp");
+  str_ToLower(fname, fname);
   // dcli_translate_filename( fname, fname);
 
   // Create root;

src/exe/co_convert/src/cnv_wbltops.cpp

@@ -63,6 +63,7 @@ int CnvWblToPs::init(char* first)
   } else {
     strcat(fname, ".ps");
   }
+  str_ToLower(fname, fname);
 
   if (ctx->generate_pdf) {
     tops->set_filename(ps_eFile_Body, fname);

src/exe/co_convert/src/cnv_wbltoxtthelp.cpp

@@ -103,6 +103,7 @@ int CnvWblToXtthelp::init(char* first)
   strcpy(fname, ctx->dir);
   strcat(fname, ctx->rw->volume_name);
   strcat(fname, "_xtthelp.dat");
+  str_ToLower(fname, fname);
 
   fp_xtthelp_index.open(fname);