Fix cmake property

Author: DenverM80

src/CMakeLists.txt

@@ -26,7 +26,7 @@ add_library(ds3 SHARED
 if (WIN32)
 
 add_definitions(-DLIBRARY_EXPORTS -DCURL_STATICLIB -Dinline=__inline)
-set_property(TARGET ds3 _CRT_SECURE_NO_WARNINGS)
+set_property(TARGET ds3 PROPERTY _CRT_SECURE_NO_WARNINGS)
 SET_SOURCE_FILES_PROPERTIES(ds3.c PROPERTIES LANGUAGE CXX)
 
 include_directories(