widl: Set defined flag for coclasses

[Dan Hipschman]

Set this so coclasses can't be redefined.

ChangeLog:
* Set defined flag for coclasses
---
 tools/widl/parser.y |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/tools/widl/parser.y b/tools/widl/parser.y
index d690aec..f27402d 100644
--- a/tools/widl/parser.y
+++ b/tools/widl/parser.y
@@ -653,6 +653,7 @@ coclasshdr: attributes coclass			{ $$ = 
 
 coclassdef: coclasshdr '{' coclass_ints '}'	{ $$ = $1;
 						  $$->ifaces = $3;
+						  $$->defined = TRUE;
 						}
 	;