Fix path typo: 3rdpatry

ext/prometheus-cpp-lite-1.0/3rdparty/http-client-lite/CMakeLists.txt

@@ -0,0 +1,36 @@
+# Copyright 2021... by Maxim Gusev
+#
+# https://github.com/John-Jasper-Doe/http-client-lite
+#
+# Distributed under the MIT License.
+# (See accompanying file LICENSE or copy at https://mit-license.org/)
+
+cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
+project(http-client-lite)
+
+## Set output binary
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
+
+## Set property
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+add_compile_options(-Wall -Werror -Wextra -Wpedantic -g -O0)
+
+
+option(HTTP_CLIENT_LITE_OPT_BUILD_EXAMPLES "Build examples" OFF )
+
+if(HTTP_CLIENT_LITE_OPT_BUILD_EXAMPLES)
+  add_subdirectory(examples)
+endif()
+
+# Interface library:
+add_library(${PROJECT_NAME} INTERFACE)
+target_sources(${PROJECT_NAME} INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include/jdl/httpclientlite.h)
+add_custom_target(${PROJECT_NAME}.hdr SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/include/jdl/httpclientlite.h)
+target_include_directories(
+    ${PROJECT_NAME}
+    INTERFACE
+        "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
+        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")