Added mixer specfic error codes, fixed type in function name.

include/mmsystem.h

@@ -991,6 +991,12 @@ MMRESULT	WINAPI	joySetCapture(HWND,UINT,UINT,BOOL);
 MMRESULT16	WINAPI	joySetThreshold16(UINT16,UINT16);
 MMRESULT	WINAPI	joySetThreshold(UINT,UINT);
 
+#define	MIXERR_BASE		1024
+#define	MIXERR_INVALLINE	(MIXERR_BASE + 0)
+#define MIXERR_INVALCONTROL	(MIXERR_BASE + 1)
+#define MIXERR_INVALVALUE	(MIXERR_BASE + 2)
+#define MIXERR_LASTERROR	(MIXERR_BASE + 2)
+
 typedef struct {
 	WORD		wMid;			/* manufacturer id */
 	WORD		wPid;			/* product id */
@@ -1431,7 +1437,7 @@ UINT		WINAPI	mixerGetID(HMIXEROBJ,LPUINT,DWORD);
 UINT16		WINAPI	mixerGetLineControls16(HMIXEROBJ16,LPMIXERLINECONTROLS16,DWORD);
 UINT		WINAPI	mixerGetLineControlsA(HMIXEROBJ,LPMIXERLINECONTROLSA,DWORD);
 UINT		WINAPI	mixerGetLineControlsW(HMIXEROBJ,LPMIXERLINECONTROLSW,DWORD);
-#define 		mixerGetLineControl WINELIB_NAME_AW(mixerGetLineControl)
+#define 		mixerGetLineControls WINELIB_NAME_AW(mixerGetLineControls)
 UINT16		WINAPI	mixerGetControlDetails16(HMIXEROBJ16,LPMIXERCONTROLDETAILS16,DWORD);
 UINT		WINAPI	mixerGetControlDetailsA(HMIXEROBJ,LPMIXERCONTROLDETAILS,DWORD);
 UINT		WINAPI	mixerGetControlDetailsW(HMIXEROBJ,LPMIXERCONTROLDETAILS,DWORD);