Fix DETAILS string with version number in FHPSA()

If found, the version which was found should be stored in the DETAILS
string, but it was dereferenced twice, which was wrong.

Alex

Modules/FindPackageHandleStandardArgs.cmake

@@ -214,7 +214,7 @@ FUNCTION(FIND_PACKAGE_HANDLE_STANDARD_ARGS _NAME _FIRST_ARG _VAR1)
   ENDIF (${_NAME}_FIND_VERSION)
 
   IF(VERSION_OK)
-    SET(DETAILS "${DETAILS}[v${${VERSION}}]")
+    SET(DETAILS "${DETAILS}[v${VERSION}]")
   ELSE(VERSION_OK)
     SET(${_NAME_UPPER}_FOUND FALSE)
   ENDIF(VERSION_OK)