Ignore FASTDDS_TODO_BEFORE macro on doxygen generation (#690) (#694)

* Predefine FASTDDS_TODO_BEFORE to empty so it is ignored on doxygen generation (#690)

Signed-off-by: EduPonz <eduardoponz@eprosima.com>
(cherry picked from commit 02065d0)

# Conflicts:
#	code/doxygen-config.in

* Refs #20527: Fix conflicts

Signed-off-by: JesusPoderoso <jesuspoderoso@eprosima.com>

---------

Signed-off-by: JesusPoderoso <jesuspoderoso@eprosima.com>
Co-authored-by: Eduardo Ponz Segrelles <eduardoponz@eprosima.com>
Co-authored-by: JesusPoderoso <jesuspoderoso@eprosima.com>

Author: 3 people

code/doxygen-config.in

@@ -323,7 +323,8 @@ INCLUDE_FILE_PATTERNS  =
 PREDEFINED             = "HAVE_SECURITY=1" \
                          "DOXYGEN_DOCUMENTATION=1" \
                          "DOXYGEN_SHOULD_SKIP_THIS" \
-                          RTPS_DllAPI=
+                          RTPS_DllAPI= \
+                          FASTDDS_TODO_BEFORE=
 EXPAND_AS_DEFINED      = YES
 SKIP_FUNCTION_MACROS   = YES
 #---------------------------------------------------------------------------