mciwave: Use wide-char string literals.

dlls/mciwave/mciwave.c

@@ -1683,15 +1683,11 @@ static DWORD WAVE_mciInfo(MCIDEVICEID wDevID, DWORD dwFlags, LPMCI_INFO_PARMSW l
     if (wmw == NULL) {
 	ret = MCIERR_INVALID_DEVICE_ID;
     } else {
-        static const WCHAR wszAudio  [] = {'W','i','n','e','\'','s',' ','a','u','d','i','o',' ','p','l','a','y','e','r',0};
-        static const WCHAR wszWaveIn [] = {'W','i','n','e',' ','W','a','v','e',' ','I','n',0};
-        static const WCHAR wszWaveOut[] = {'W','i','n','e',' ','W','a','v','e',' ','O','u','t',0};
-
 	switch (dwFlags & ~(MCI_WAIT|MCI_NOTIFY)) {
-	case MCI_INFO_PRODUCT: str = wszAudio; break;
+        case MCI_INFO_PRODUCT: str = L"Wine's audio player"; break;
 	case MCI_INFO_FILE:    str = wmw->lpFileName; break;
-	case MCI_WAVE_INPUT:   str = wszWaveIn; break;
-	case MCI_WAVE_OUTPUT:  str = wszWaveOut; break;
+        case MCI_WAVE_INPUT:   str = L"Wine Wave In"; break;
+        case MCI_WAVE_OUTPUT:  str = L"Wine Wave Out"; break;
 	default:
             WARN("Don't know this info command (%u)\n", dwFlags);
 	    ret = MCIERR_UNRECOGNIZED_KEYWORD;
@@ -1699,10 +1695,9 @@ static DWORD WAVE_mciInfo(MCIDEVICEID wDevID, DWORD dwFlags, LPMCI_INFO_PARMSW l
     }
     if (!ret) {
 	if (lpParms->dwRetSize) {
-	    WCHAR zero = 0;
 	    /* FIXME? Since NT, mciwave, mciseq and mcicda set dwRetSize
 	     *        to the number of characters written, excluding \0. */
-	    lstrcpynW(lpParms->lpstrReturn, str ? str : &zero, lpParms->dwRetSize);
+            lstrcpynW(lpParms->lpstrReturn, str ? str : L"", lpParms->dwRetSize);
 	} else ret = MCIERR_PARAM_OVERFLOW;
     }
     if (MMSYSERR_NOERROR==ret && (dwFlags & MCI_NOTIFY))