make sure the user is clearly notified when the datafiles could not be read

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1634 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

urjtag/ChangeLog

@@ -3,6 +3,9 @@
   * configure.ac: improve svn rev look up by ignoring errors, unifying
     duplicated code, and support git-svn tree
 
+  * src/tap/detect.c: if the part could not be found because the data file
+    could not be opened, then log an obvious error message
+
 2009-05-24  Rutger Hofman <rfhh>
 
   * src/bus/avr32.c: fix uninitialized warning (Florian Fainelli)

urjtag/src/tap/detect.c

@@ -62,7 +62,8 @@ find_record (char *filename, urj_tap_register_t *key, struct id_record *idr)
     file = fopen (filename, "r");
     if (!file)
     {
-        urj_error_IO_set ("Cannot open '%s'", filename);
+        urj_log (URJ_LOG_LEVEL_ERROR, _("Unable to open file '%s'\n"), filename);
+        urj_error_IO_set ("Unable to open file '%s'", filename);
         return 0;
     }