Fix -Wmissing-field-initializers warning

Logo.c:115:5: warning: missing initializer for field ‘extension’ of ‘SimpleClassPart {aka struct <anonymous>}’ [-Wmissing-field-initializers]
     },
     ^
In file included from LogoP.h:33:0,
                 from Logo.c:35:
/usr/include/X11/Xaw/SimpleP.h:62:15: note: ‘extension’ declared here
     XtPointer extension;
               ^~~~~~~~~

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/Logo.c b/Logo.c
index da5d7ae..394903d 100644
--- a/Logo.c
+++ b/Logo.c
@@ -111,7 +111,8 @@ LogoClassRec logoClassRec = {
     /* extension		*/	NULL
     },
     { /* simple fields */
-    /* change_sensitive         */      XtInheritChangeSensitive
+    /* change_sensitive         */      XtInheritChangeSensitive,
+    /* extension                */      NULL
     },
     { /* logo fields */
     /* ignore                   */      0