tools: include libmnl paths after system paths for ndk 17

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

app/tools/CMakeLists.txt

@@ -13,7 +13,7 @@ target_compile_options(libwg-quick.so PUBLIC -O3 -std=gnu11 -Wall -pedantic -Wno
 
 file(GLOB WG_SOURCES wireguard/src/tools/*.c libmnl/src/*.c)
 add_executable(libwg.so ${WG_SOURCES})
-target_compile_options(libwg.so PUBLIC "-I${CMAKE_CURRENT_SOURCE_DIR}libmnl/src/" "-I${CMAKE_CURRENT_SOURCE_DIR}/libmnl/include/" "-I${CMAKE_CURRENT_SOURCE_DIR}/wireguard/src/tools/" -O3 -std=gnu11 -D_GNU_SOURCE -DHAVE_VISIBILITY_HIDDEN -DRUNSTATEDIR=\"\\\"/data/data/com.wireguard.android/cache\\\"\" -Wno-pointer-arith -Wno-unused-parameter)
+target_compile_options(libwg.so PUBLIC -idirafter "${CMAKE_CURRENT_SOURCE_DIR}/libmnl/include/" -I "${CMAKE_CURRENT_SOURCE_DIR}/wireguard/src/tools/" -O3 -std=gnu11 -D_GNU_SOURCE -DHAVE_VISIBILITY_HIDDEN -DRUNSTATEDIR=\"\\\"/data/data/com.wireguard.android/cache\\\"\" -Wno-pointer-arith -Wno-unused-parameter)
 
 add_custom_target(libwg-go.so WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/libwg-go" COMMENT "Building wireguard-go" VERBATIM COMMAND make
     ANDROID_ARCH_NAME=${ANDROID_ARCH_NAME}