File fix-build.patch of Package libArcus-lulzbot

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0fe6d7a..b20102a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,6 +69,7 @@ if(BUILD_STATIC)
     endif()
 else()
     add_library(Arcus SHARED ${arcus_SRCS})
+    target_link_libraries(Arcus PRIVATE pthread)
 endif()
 
 if(MSVC_STATIC_RUNTIME)