1 files changed, 9 insertions, 1 deletions
diff --git a/macosx/tkMacOSXXStubs.c b/macosx/tkMacOSXXStubs.c
index 1313c9f..a2d175b 100644
--- a/macosx/tkMacOSXXStubs.c
+++ b/macosx/tkMacOSXXStubs.c
@@ -681,6 +681,14 @@ XForceScreenSaver(
     display->request++;
 }
 
+void
+Tk_FreeXId(
+    Display *display,
+    XID xid)
+{
+    /* no-op function needed for stubs implementation. */
+}
+
 int
 XSync(
     Display *display,
@@ -889,7 +897,7 @@ XGetImage(
      * We do not support any other values here.
      */
     int scalefactor = 1;
-    if (win && [win respondsToSelector:@selector(backingScaleFactor)]) {
+    if (win && [win respondsToSelector:@selector(backingScaleFactor)]) { 
 	scalefactor = ([win backingScaleFactor] == 2.0) ? 2 : 1;
     }
     int scaled_height = height * scalefactor;