in do_browse_from(), don't bother freeing path if it's NULL

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3777 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -38,6 +38,7 @@ CVS code -
 	- During the operating directory check, if path isn't NULL,
 	  don't bother freeing it before mallocstrcpy()ing operating_dir
 	  into it, as the latter operation will free it. (DLR)
+	- Don't bother freeing path if it's NULL. (DLR)
   browser_init()
 	- Fix off-by-one error when calculating longest that kept the
 	  rightmost column of the screen from being used. (DLR)

src/browser.c

@@ -426,7 +426,8 @@ char *do_browse_from(const char *inpath)
 
     /* If we can't open the path, get out. */
     if (dir == NULL) {
-	free(path);
+	if (path != NULL)
+	    free(path);
 	beep();
 	return NULL;
     }