File cafstatic.patch of Package zeek-rc

diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/auxil/broker/3rdparty/caf/CMakeLists.txt
+++ b/auxil/broker/3rdparty/caf/CMakeLists.txt
@@ -341,7 +341,7 @@ if(MINGW)
   build_string("EXTRA_FLAGS" "-static")
 elseif(CYGWIN)
   build_string("EXTRA_FLAGS" "-U__STRICT_ANSI__")
-elseif(NOT CAF_BUILD_STATIC_ONLY)
+else()
   build_string("EXTRA_FLAGS" "-fPIC")
 endif()
 if (WIN32)