put endif to the correct scope (between the two endforeach

directives.)
Fixes Atgeirr' problem on Mac OSX

[[Imported from SVN: r6685]]

cmake/modules/FindSharedPtr.cmake

@@ -71,6 +71,6 @@ foreach(SHARED_PTR_NAMESPACE_ "std" "tr1" "std::tr1" "boost")
         CHECK_MAKE_SHARED()
         return()
       endif(SHARED_PTR_HEADER_FOUND)
-    endif(SHARED_PTR_NAMESPACE_FOUND)
-  endforeach(SHARED_PTR_HEADER_ "<memory>" "<tr1/memory>" "<boost/shared_ptr.hpp>")
-endforeach(SHARED_PTR_NAMESPACE_ "std" "tr1" "std::tr1" "boost")
+    endforeach(SHARED_PTR_HEADER_)
+  endif(SHARED_PTR_NAMESPACE_FOUND)
+endforeach(SHARED_PTR_NAMESPACE_)