Review coding style to match raylib style

Moved AudioError enum inside audio.c

src/raylib.h

@@ -452,29 +452,10 @@ typedef struct Ray {
     Vector3 direction;
 } Ray;
 
-typedef enum { // allows errors to be & together
-    ERROR_RAW_CONTEXT_CREATION = 1,
-    ERROR_XM_CONTEXT_CREATION = 2,
-    ERROR_MOD_CONTEXT_CREATION = 4,
-    ERROR_MIX_CHANNEL_CREATION = 8,
-    ERROR_MUSIC_CHANNEL_CREATION = 16,
-    ERROR_LOADING_XM = 32,
-    ERROR_LOADING_MOD = 64,
-    ERROR_LOADING_WAV = 128,
-    ERROR_LOADING_OGG = 256,
-    ERROR_OUT_OF_MIX_CHANNELS = 512,
-    ERROR_EXTENSION_NOT_RECOGNIZED = 1024,
-    ERROR_UNABLE_TO_OPEN_RRES_FILE = 2048,
-    ERROR_INVALID_RRES_FILE = 4096,
-    ERROR_INVALID_RRES_RESOURCE = 8192,
-    ERROR_UNINITIALIZED_CHANNELS = 16384
-} AudioError;
-
 // Sound source type
 typedef struct Sound {
     unsigned int source;
     unsigned int buffer;
-    AudioError error; // if there was any error during the creation or use of this Sound
 } Sound;
 
 // Wave type, defines audio wave data
@@ -488,8 +469,6 @@ typedef struct Wave {
 
 typedef int RawAudioContext;
 
-
-
 // Texture formats
 // NOTE: Support depends on OpenGL version and platform
 typedef enum {
@@ -940,7 +919,7 @@ bool IsMusicPlaying(int index);                                 // Check if musi
 void SetMusicVolume(int index, float volume);                   // Set volume for music (1.0 is max level)
 float GetMusicTimeLength(int index);                            // Get current music time length (in seconds)
 float GetMusicTimePlayed(int index);                            // Get current music time played (in seconds)
-int getMusicStreamCount(void);
+int GetMusicStreamCount(void);
 void SetMusicPitch(int index, float pitch);
 
 // used to output raw audio streams, returns negative numbers on error