cmake: fix var name

examples/CMakeLists.txt

@@ -17,7 +17,7 @@ SET(${PROJECT_NAME}_EXAMPLES
   interpolation-SE3
   )
 
-IF(BUILD_WITH_UDRF_SUPPORT)
+IF(BUILD_WITH_URDF_SUPPORT)
   LIST(APPEND ${PROJECT_NAME}_EXAMPLES
     overview-urdf
     build-reduced-model
@@ -29,7 +29,7 @@ IF(BUILD_WITH_UDRF_SUPPORT)
 ENDIF()
 
 IF(BUILD_ADVANCED_TESTING)
-  IF(BUILD_WITH_UDRF_SUPPORT)
+  IF(BUILD_WITH_URDF_SUPPORT)
     LIST(APPEND ${PROJECT_NAME}_EXAMPLES
       multiprecision
       )
@@ -37,7 +37,7 @@ IF(BUILD_ADVANCED_TESTING)
 ENDIF(BUILD_ADVANCED_TESTING)
 
 IF(hpp-fcl_FOUND)
-  IF(BUILD_WITH_UDRF_SUPPORT)
+  IF(BUILD_WITH_URDF_SUPPORT)
     LIST(APPEND ${PROJECT_NAME}_EXAMPLES
       collisions
       )
@@ -54,9 +54,9 @@ FOREACH(EXAMPLE ${${PROJECT_NAME}_EXAMPLES})
   ADD_PINOCCHIO_CPP_EXAMPLE(${EXAMPLE})
 ENDFOREACH(EXAMPLE ${${PROJECT_NAME}_EXAMPLES})
 
-IF(BUILD_ADVANCED_TESTING AND BUILD_WITH_UDRF_SUPPORT)
+IF(BUILD_ADVANCED_TESTING AND BUILD_WITH_URDF_SUPPORT)
   SET_PROPERTY(TARGET example-cpp-multiprecision PROPERTY CXX_STANDARD 11)
-ENDIF(BUILD_ADVANCED_TESTING AND BUILD_WITH_UDRF_SUPPORT)
+ENDIF(BUILD_ADVANCED_TESTING AND BUILD_WITH_URDF_SUPPORT)
 
 IF(BUILD_PYTHON_INTERFACE)
   SET(${PROJECT_NAME}_PYTHON_EXAMPLES
@@ -85,11 +85,11 @@ IF(BUILD_PYTHON_INTERFACE)
       display-shapes
       simulation-inverted-pendulum
       )
-    IF(BUILD_WITH_UDRF_SUPPORT)
+    IF(BUILD_WITH_URDF_SUPPORT)
       LIST(APPEND ${PROJECT_NAME}_PYTHON_EXAMPLES 
         collisions
         )
-    ENDIF(BUILD_WITH_UDRF_SUPPORT)
+    ENDIF(BUILD_WITH_URDF_SUPPORT)
   ENDIF(hpp-fcl_FOUND)
 
   FOREACH(EXAMPLE ${${PROJECT_NAME}_PYTHON_EXAMPLES})