update fluidsynth to 2.1.2

remove its obsolete dependencies

fluidsynth/include/fluidsynth/version.h

@@ -31,10 +31,10 @@ extern "C" {
  * @brief Library version functions and defines
  */
 
-#define FLUIDSYNTH_VERSION       "2.1.1"           /**< String constant of libfluidsynth version. */
+#define FLUIDSYNTH_VERSION       "2.1.2"           /**< String constant of libfluidsynth version. */
 #define FLUIDSYNTH_VERSION_MAJOR 2     /**< libfluidsynth major version integer constant. */
 #define FLUIDSYNTH_VERSION_MINOR 1     /**< libfluidsynth minor version integer constant. */
-#define FLUIDSYNTH_VERSION_MICRO 1     /**< libfluidsynth micro version integer constant. */
+#define FLUIDSYNTH_VERSION_MICRO 2     /**< libfluidsynth micro version integer constant. */
 
 FLUIDSYNTH_API void fluid_version(int *major, int *minor, int *micro);
 FLUIDSYNTH_API char* fluid_version_str(void);