fix libbpf_uapi path typo
A typo occured in libbpf_uapi path from src/cc/CMakeLists.txt which
made compat linux uapi headers failed to copy.
@@ -42,7 +42,7 @@ else()
file(GLOB libbpf_sources "libbpf/src/*.c")
endif()
-set(libbpf_uapi libbpf/include/uapi/linux})
+set(libbpf_uapi libbpf/include/uapi/linux/)
add_library(bpf-static STATIC libbpf.c perf_reader.c ${libbpf_sources})
set_target_properties(bpf-static PROPERTIES OUTPUT_NAME bcc_bpf)
