added (previously removed) rules for dirToString and wmkdep

.gitignore

@@ -41,6 +41,10 @@ SunOS*Gcc*/
 # reinstate wmake/rules that might look like build folders
 !wmake/rules/*/
 
+# but do continue to ignore the derived wmake files
+wmake/rules/*/dirToString
+wmake/rules/*/wmkdep
+
 # doxygen generated documentation
 doc/[Dd]oxygen/html
 doc/[Dd]oxygen/latex