Fix build when external utlist not available.

config.mk

@@ -129,7 +129,7 @@ else
 endif
 
 STATIC_LIB_DEPS:=
-LIB_CFLAGS:=${CFLAGS} ${CPPFLAGS} -I. -I.. -I../lib
+LIB_CFLAGS:=${CFLAGS} ${CPPFLAGS} -I. -I.. -I../lib -I../src/deps
 LIB_CXXFLAGS:=$(CFLAGS) ${CPPFLAGS} -I. -I.. -I../lib
 LIB_LDFLAGS:=${LDFLAGS}
 

lib/CMakeLists.txt

@@ -3,6 +3,7 @@ option(WITH_PIC "Build the static library with PIC (Position Independent Code) e
 add_subdirectory(cpp)
 
 include_directories(${mosquitto_SOURCE_DIR} ${mosquitto_SOURCE_DIR}/lib
+			${mosquitto_SOURCE_DIR}/src/deps
 			${STDBOOL_H_PATH} ${STDINT_H_PATH}
 			${OPENSSL_INCLUDE_DIR} ${PTHREAD_INCLUDE_DIR})
 link_directories(${mosquitto_SOURCE_DIR}/lib)