add gserver to capi dep

Author: putcn

paddle/capi/CMakeLists.txt

@@ -36,7 +36,7 @@ target_include_directories(paddle_capi PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
 add_style_check_target(paddle_capi ${CAPI_SOURCES} ${CAPI_HEADER}
   ${CAPI_PRIVATE_HEADER})
 
-add_dependencies(paddle_capi paddle_proto)
+add_dependencies(paddle_capi paddle_proto paddle_gserver)
 
 # TODO: paddle_capi_whole will be removed.
 set(PADDLE_CAPI_LAYERS_LIBS