quartz: Cast-qual warnings fix

[Andrew Talbot]

Changelog:
    quartz: Cast-qual warnings fix.

diff -urN a/dlls/quartz/acmwrapper.c b/dlls/quartz/acmwrapper.c
--- a/dlls/quartz/acmwrapper.c	2006-05-23 13:48:29.000000000 +0100
+++ b/dlls/quartz/acmwrapper.c	2006-09-22 18:15:10.000000000 +0100
@@ -169,8 +169,9 @@
 
     TRACE("(%p)->(%p)\n", This, pmt);
 
+    /* Check root (GUID w/o FOURCC) */
     if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio)) &&
-        (!memcmp(((char*)&pmt->subtype)+4, ((char*)&MEDIATYPE_Audio)+4, sizeof(GUID)-4)) && /* Check root (GUID w/o FOURCC) */
+        (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Audio)+4, sizeof(GUID)-4)) &&
         (IsEqualIID(&pmt->formattype, &FORMAT_WaveFormatEx)))
     {
         HACMSTREAM drv;
diff -urN a/dlls/quartz/avidec.c b/dlls/quartz/avidec.c
--- a/dlls/quartz/avidec.c	2006-05-23 13:48:29.000000000 +0100
+++ b/dlls/quartz/avidec.c	2006-09-22 18:33:58.000000000 +0100
@@ -157,9 +157,10 @@
     TRACE("(%p)->(%p)\n", This, pmt);
 
     AVIDec_Cleanup(pTransformFilter);
-   
+
+    /* Check root (GUID w/o FOURCC) */
     if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) &&
-        (!memcmp(((char*)&pmt->subtype)+4, ((char*)&MEDIATYPE_Video)+4, sizeof(GUID)-4)) && /* Check root (GUID w/o FOURCC) */
+        (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Video)+4, sizeof(GUID)-4)) &&
         (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo)))
     {
         VIDEOINFOHEADER* format = (VIDEOINFOHEADER*)pmt->pbFormat;