[examples] Set compiled program prefix to cpp instead of c++

examples/CMakeLists.txt

@@ -26,7 +26,7 @@ ENDIF(HPP_FCL_FOUND)
 ADD_DEFINITIONS(-DPINOCCHIO_MODEL_DIR="${PINOCCHIO_MODEL_DIR}")
 
 FOREACH(EXAMPLE ${${PROJECT_NAME}_EXAMPLES})
-  SET(EXAMPLE_NAME "example-c++-${EXAMPLE}")
+  SET(EXAMPLE_NAME "example-cpp-${EXAMPLE}")
   ADD_UNIT_TEST(${EXAMPLE_NAME} ${EXAMPLE})
   TARGET_LINK_LIBRARIES(${EXAMPLE_NAME} ${PROJECT_NAME})
   PKG_CONFIG_USE_DEPENDENCY(${EXAMPLE_NAME} eigen3)