Fix truename("C:") where the current directory is different from the root:

then it should not append a backslash.


git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@1471 6ac86273-5f31-0410-b378-82cca8765d1b

kernel/newstuff.c

@@ -470,7 +470,7 @@ COUNT truename(const char FAR * src, char * dest, COUNT mode)
   }
 
   /* append the path specified in src */
-  addSep = ADD;			/* add separator */
+  addSep = *src ? ADD : DONT_ADD;      /* add separator */
 
   while(*src)
   {