imwayland: Fix a small leak

If the parent get_preedit_string implementation returns a nonnull
zero-length string, then we ignore it, which is almost fine. We have to
free it, though.

Fixes #1174

diff --git a/gtk/gtkimcontextwayland.c b/gtk/gtkimcontextwayland.c
index e9cc6a6eb2fc48b1c60447e02f71d43f265a0318..141ad6c6c99be005a6ea06898aac911fbbffa164 100644 (file)
--- a/gtk/gtkimcontextwayland.c
+++ b/gtk/gtkimcontextwayland.c
@@ -472,8 +472,13 @@ gtk_im_context_wayland_get_preedit_string (GtkIMContext   *context,
   GTK_IM_CONTEXT_CLASS (gtk_im_context_wayland_parent_class)->get_preedit_string (context, str, attrs, cursor_pos);
 
   /* If the parent implementation returns a len>0 string, go with it */
-  if (str && *str && **str)
-    return;
+  if (str && *str)
+    {
+      if (**str)
+        return;
+
+      g_free (*str);
+    }
 
   preedit_str =
     context_wayland->preedit.text ? context_wayland->preedit.text : "";