Fix 'microxrcedds_agent' name and dependency (#279)

* Fix 'microxrcedds_agent' name and dependency

Signed-off-by: David Laseca Perez <davidlaseca@eprosima.com>

* Set tag of 'microxrcedds_agent'

Signed-off-by: David Laseca Perez <davidlaseca@eprosima.com>

---------

Signed-off-by: David Laseca Perez <davidlaseca@eprosima.com>

micro_ros_agent/cmake/SuperBuild.cmake

@@ -19,14 +19,14 @@ unset(_deps)
 enable_language(C)
 enable_language(CXX)
 
-unset(xrceagent_DIR CACHE)
-find_package(xrceagent 3 EXACT QUIET)
-if(NOT xrceagent_FOUND)
-    ExternalProject_Add(xrceagent
+unset(microxrcedds_agent_DIR CACHE)
+find_package(microxrcedds_agent 3.0.2 QUIET)
+if(NOT microxrcedds_agent_FOUND)
+    ExternalProject_Add(microxrcedds_agent
             GIT_REPOSITORY
                 https://github.com/eProsima/Micro-XRCE-DDS-Agent.git
             GIT_TAG
-                v3.0.1
+                v3.0.2
             PREFIX
                 ${PROJECT_BINARY_DIR}/agent
             INSTALL_DIR
@@ -51,6 +51,7 @@ if(NOT xrceagent_FOUND)
                 -DUAGENT_BUILD_EXECUTABLE:BOOL=OFF
                 -DUAGENT_ISOLATED_INSTALL:BOOL=OFF
             )
+    list(APPEND _deps microxrcedds_agent)
 endif()
 
 # Main project.
@@ -64,5 +65,5 @@ ExternalProject_Add(micro_ros_agent
     INSTALL_COMMAND
         ""
     DEPENDS
-        xrceagent
+        ${_deps}
     )