Use NOT instead of ! in Windows detection condition

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b2e1cd651ca247f414ff48a8a6df38d0e540f92..80b108c0b63b37f04d04c7b6c59051fc92d7cdb9 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ else()
   add_definitions(-D_HPCS_LITTLE_ENDIAN)
 endif()
 
-if (!WIN32)
+if (NOT WIN32)
     find_package(ICU 52 REQUIRED COMPONENTS uc io)
 else()
     set(ICU_INCLUDE_DIRS "")