in do_browser(), fix potential segfault when going to a directory that

doesn't begin with '/'


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3852 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -69,6 +69,8 @@ CVS code -
 	- After entering "..", select the directory we were in before
 	  instead of the first filename in the list, as Pico does. (DLR)
 	- Simplify screen update handling and exiting. (DLR)
+	- Fix potential segfault when going to a directory that doesn't
+	  begin with '/'. (DLR)
   do_browse_from()
 	- During the operating directory check, if path isn't NULL,
 	  don't bother freeing it before mallocstrcpy()ing operating_dir

src/browser.c

@@ -254,7 +254,7 @@ char *do_browser(char *path, DIR *dir)
 		new_path = real_dir_from_tilde(answer);
 
 		if (new_path[0] != '/') {
-		    new_path = charealloc(new_path, strlen(new_path) +
+		    new_path = charealloc(new_path, strlen(path) +
 			strlen(answer) + 1);
 		    sprintf(new_path, "%s%s", path, answer);
 		}