Avoid adding duplicate struct constructors.

TRAC #20057
ISSUE=285
Signed-off-by: Daniel Koch
Author: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@1006 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/compiler/OutputHLSL.cpp b/src/compiler/OutputHLSL.cpp
index cfd1aef..3edbf84 100644
--- a/src/compiler/OutputHLSL.cpp
+++ b/src/compiler/OutputHLSL.cpp
@@ -2106,6 +2106,11 @@
         return;   // Nameless structures don't have constructors
     }
 
+    if (type.getStruct() && mStructNames.find(decorate(name)) != mStructNames.end())
+    {
+        return;   // Already added
+    }
+
     TType ctorType = type;
     ctorType.clearArrayness();
     ctorType.setPrecision(EbpHigh);