MONGOCRYPT-843 remove extra -static suffix (#1078)

Author: kevinAlbs

cmake/ImportBSON.cmake

@@ -74,7 +74,7 @@ function (_import_bson)
    if (MONGOCRYPT_MONGOC_DIR STREQUAL "USE-SYSTEM" AND USE_SHARED_LIBBSON AND NOT ENABLE_ONLINE_TESTS)
       message (STATUS "NOTE: Using system-wide libbson library. This is intended only for package maintainers.")
       find_library (_MONGOCRYPT_SYSTEM_LIBBSON_SHARED "${CMAKE_SHARED_LIBRARY_PREFIX}bson2${CMAKE_SHARED_LIBRARY_SUFFIX}")
-      find_library (_MONGOCRYPT_SYSTEM_LIBBSON_STATIC "${CMAKE_STATIC_LIBRARY_PREFIX}bson2-static${CMAKE_STATIC_LIBRARY_SUFFIX}")
+      find_library (_MONGOCRYPT_SYSTEM_LIBBSON_STATIC "${CMAKE_STATIC_LIBRARY_PREFIX}bson2${CMAKE_STATIC_LIBRARY_SUFFIX}")
       find_path (_MONGOCRYPT_SYSTEM_LIBBSON_INCLUDE_DIR bson/bson.h PATH_SUFFIXES bson-2.1.0)
       add_library (bson_shared SHARED IMPORTED)
       add_library (bson_static STATIC IMPORTED)