doc: Fix build for Ada user manual

doc/ada_user/Makefile.am

@@ -17,6 +17,7 @@ COMMON_FILES += \
     $(top_builddir)/user/glossary.texi $(top_builddir)/user/init.texi \
     $(top_builddir)/user/intr.texi $(top_builddir)/user/io.texi \
     $(top_builddir)/user/libpci.texi  \
+    $(top_builddir)/user/linkersets.texi  \
     $(top_builddir)/user/mp.texi $(top_builddir)/user/msg.texi \
     $(top_builddir)/user/overview.texi $(top_builddir)/user/part.texi \
     $(top_builddir)/user/preface.texi $(top_builddir)/user/region.texi \

doc/ada_user/ada_user.texi

@@ -117,6 +117,7 @@
 * Timespec Helpers::
 * Constant Bandwidth Server Scheduler API::
 * Directive Status Codes::
+* Linker Sets::
 * Example Application::
 * Glossary::
 * Command and Variable Index::
@@ -163,6 +164,7 @@
 @include user/timespec.texi
 @include user/cbs.texi
 @include user/dirstat.texi
+@include user/linkersets.texi
 @include example.texi
 @include user/glossary.texi
 

doc/ada_user/example.texi

@@ -3,7 +3,7 @@
 @c  On-Line Applications Research Corporation (OAR).
 @c  All rights reserved.
 
-@node Example Application, Glossary, Directive Status Codes STATUS_TEXT - Returns the enumeration name for a status code, Top
+@node Example Application, Glossary, Linker Sets RTEMS_LINKER_RWSET_ITEM_ORDERED - Defines an ordered read-write linker set item, Top
 @chapter Example Application
 
 @example