Reduce overlinking when not using static library

--- dispatcher/CMakeLists.txt.orig	2021-09-13 22:51:02 UTC
+++ dispatcher/CMakeLists.txt
@@ -174,7 +174,7 @@ if(BUILD_DEV)
   if(NOT MSVC)
     set(CXX_LIB "-lstdc++")
   endif()
-  set(VPL_PKGCONFIG_DEPENDENT_LIBS
+  set(VPL_PKGCONFIG_PRIVATE_LIBS
       "${DL_LIBS} ${CMAKE_THREAD_LIBS_INIT} ${MINGW_LIBS} ${CXX_LIB}")
   configure_file("pkgconfig/vpl.pc.in" "pkgconfig/vpl.pc" @ONLY)
   install(