Fix for CMake 3.6
diff --git a/absl/copts/AbseilConfigureCopts.cmake b/absl/copts/AbseilConfigureCopts.cmake
index eaef30b..6394c15 100644
--- a/absl/copts/AbseilConfigureCopts.cmake
+++ b/absl/copts/AbseilConfigureCopts.cmake
@@ -24,7 +24,7 @@
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# AppleClang doesn't have lsan
# https://developer.apple.com/documentation/code_diagnostics
- if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 3.5)
+ if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
set(ABSL_LSAN_LINKOPTS "-fsanitize=leak")
set(ABSL_HAVE_LSAN ON)
endif()