No changes, just remove unneeded variable initialization.

Closes #14712, #14713.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72584 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/carbon/graphics.cpp

@@ -147,9 +147,7 @@ OSStatus wxMacDrawCGImage(
 
 CGColorRef wxMacCreateCGColor( const wxColour& col )
 {
-    CGColorRef retval = 0;
-
-    retval = col.CreateCGColor();
+    CGColorRef retval = col.CreateCGColor();
 
     wxASSERT(retval != NULL);
     return retval;