$NetBSD: patch-CMakeLists.txt,v 1.1 2017/12/15 16:00:19 jperkin Exp $

Support user CFLAGS.

--- CMakeLists.txt.orig	2017-12-15 15:54:13.974668000 +0000
+++ CMakeLists.txt
@@ -4,8 +4,4 @@ project(libreplaygain C)
 
 set(CMAKE_VERBOSE_MAKEFILE false)
 
-if(NOT MSVC)
-set(CMAKE_C_FLAGS "-O3 -fomit-frame-pointer -pipe")
-endif(NOT MSVC)
-
-add_subdirectory(src)
\ No newline at end of file
+add_subdirectory(src)
