Fixed compiling with CMake

CMakeLists.txt

@@ -186,6 +186,7 @@ set(libHeaders
   lib/dtls_srtp_handshake.h
   lib/dtsc.h
   lib/encryption.h
+  lib/flac.h
   lib/flv_tag.h
   lib/h264.h
   lib/h265.h
@@ -253,6 +254,7 @@ add_library (mist
   lib/dtls_srtp_handshake.cpp
   lib/dtsc.cpp
   lib/encryption.cpp
+  lib/flac.cpp
   lib/flv_tag.cpp
   lib/h264.cpp
   lib/h265.cpp

lib/flac.h

@@ -3,7 +3,7 @@
 #include <sstream>
 #include <string>
 #include <unistd.h> //for stat
-#include <util.h>
+#include "util.h"
 
 namespace FLAC{
   bool is_header(const char *header); ///< Checks the first 4 bytes for the string "flaC".