merge changes for open-189

doc/contributions.txt

@@ -1134,6 +1134,7 @@ Slee Mayo
 snowy Sidran
 Sovereign Engineer
     MAINT-2334
+    OPEN-189
 SpacedOut Frye
 	VWR-34
 	VWR-45

indra/llwindow/llwindowmacosx-objc.h

@@ -25,6 +25,9 @@
  * $/LicenseInfo$
  */
 
+#ifndef LL_LLWINDOWMACOSX_OBJC_H
+#define LL_LLWINDOWMACOSX_OBJC_H
+
 #include <map>
 #include <vector>
 
@@ -143,3 +146,5 @@ NSWindowRef getMainAppWindow();
 GLViewRef getGLView();
 
 unsigned int getModifiers();
+
+#endif // LL_LLWINDOWMACOSX_OBJC_H