Return to previously opened directory on failed recalculation

...instead of displaying an empty and unusable browser.

ChangeLog

@@ -4,6 +4,7 @@ git - ?
 	- Removed reliance of dirfd()
 	- Fixed non-void return in void delete_process()
 	- Fixed several tiny memory leaks
+	- Return to previously opened directory on failed recalculation
 
 1.5 - 2009-05-02
 	- Fixed incorrect apparent size on directory refresh

src/calc.c

@@ -428,7 +428,7 @@ calc_fail:
   if(orig == NULL)
     return 1;
   else {
-    browse_init(NULL);
+    browse_init(orig);
     return 0;
   }
 }