Merge topic 'GetPrerequisites-variable-typo'

0da2c35d6b GetPrerequisites: fix regression in gp_append_unique

Acked-by: Kitware Robot <[email protected]>
Merge-request: !3421

Modules/GetPrerequisites.cmake

@@ -173,7 +173,7 @@ cmake_policy(PUSH)
 cmake_policy(SET CMP0057 NEW) # if IN_LIST
 
 function(gp_append_unique list_var value)
-  if(NOT item IN_LIST ${list_var})
+  if(NOT value IN_LIST ${list_var})
     set(${list_var} ${${list_var}} "${value}" PARENT_SCOPE)
   endif()
 endfunction()