Add find_dependency(OpenSSL) to config script

Signed-off-by: Ralph Giles <giles@thaumas.net>
Signed-off-by: evpobr <evpobr@gmail.com>

cmake/opusfileConfig.cmake.in

@@ -41,6 +41,11 @@ endif()
 set(cmake_fd_required_arg)
 set(cmake_fd_quiet_arg)
 
+if (NOT @OP_DISABLE_HTTP@)
+  include(CMakeFindDependencyMacro)
+  find_dependency(OpenSSL)
+endif()
+
 # Including targets of opusfile
 include("${CMAKE_CURRENT_LIST_DIR}/opusfileTargets.cmake")