add src, include in make for snmp

modules/Makefile

@@ -94,6 +94,7 @@ CSRC += $(wildcard ../thirdparty/FreeRTOS/portable/MemMang/heap_4.c)
     CSRC += $(wildcard ../thirdparty/lwip/src/core/*.c)
     CSRC += $(wildcard ../thirdparty/lwip/src/core/ipv4/*.c)
     CSRC += $(wildcard ../thirdparty/lwip/src/netif/*.c)
+    CSRC += $(wildcard ../thirdparty/lwip/src/apps/snmp/*.c)
 #    CSRC += $(wildcard ../thirdparty/lwip/src/netif/ppp/*.c)
     CSRC += $(wildcard ../thirdparty/lwip/port/FreeRTOS/*.c)
     CSRC += $(wildcard Ethernet/*.c)
@@ -103,7 +104,6 @@ CSRC += $(wildcard ../thirdparty/FreeRTOS/portable/MemMang/heap_4.c)
 CSRC += $(wildcard ../stm32/system/syscalls/syscalls.c)
 
 #SSL
-
 INCLUDES += -I../thirdparty/PolarSSL/include/polarssl/
 INCLUDES += -I../thirdparty/PolarSSL/include/