$OpenBSD$

Do not add pointless arch suffixes to menu library.

Index: mainui/CMakeLists.txt
--- mainui/CMakeLists.txt.orig
+++ mainui/CMakeLists.txt
@@ -180,7 +180,7 @@ if(XASH_64BIT)
 		set(MAINUI_NAME ${MAINUI_LIBRARY})
 	endif()
 	set_target_properties(${MAINUI_LIBRARY} PROPERTIES 
-		OUTPUT_NAME ${MAINUI_NAME}64)
+		OUTPUT_NAME ${MAINUI_NAME})
 endif()
 
 fwgs_set_default_properties(${MAINUI_LIBRARY})