mfplat: Rename debugstr_fourcc to mf_debugstr_fourcc.

dlls/mfplat/buffer.c

@@ -1627,7 +1627,7 @@ HRESULT WINAPI MFCreateAlignedMemoryBuffer(DWORD max_length, DWORD alignment, IM
  */
 HRESULT WINAPI MFCreate2DMediaBuffer(DWORD width, DWORD height, DWORD fourcc, BOOL bottom_up, IMFMediaBuffer **buffer)
 {
-    TRACE("%lu, %lu, %s, %d, %p.\n", width, height, debugstr_fourcc(fourcc), bottom_up, buffer);
+    TRACE("%lu, %lu, %s, %d, %p.\n", width, height, mf_debugstr_fourcc(fourcc), bottom_up, buffer);
 
     return create_2d_buffer(width, height, fourcc, bottom_up, buffer);
 }

dlls/mfplat/mediatype.c

@@ -2696,7 +2696,7 @@ HRESULT WINAPI MFGetStrideForBitmapInfoHeader(DWORD fourcc, DWORD width, LONG *s
     struct uncompressed_video_format *format;
     GUID subtype;
 
-    TRACE("%s, %lu, %p.\n", debugstr_fourcc(fourcc), width, stride);
+    TRACE("%s, %lu, %p.\n", mf_debugstr_fourcc(fourcc), width, stride);
 
     memcpy(&subtype, &MFVideoFormat_Base, sizeof(subtype));
     subtype.Data1 = fourcc;
@@ -2766,7 +2766,7 @@ HRESULT WINAPI MFGetPlaneSize(DWORD fourcc, DWORD width, DWORD height, DWORD *si
     unsigned int stride;
     GUID subtype;
 
-    TRACE("%s, %lu, %lu, %p.\n", debugstr_fourcc(fourcc), width, height, size);
+    TRACE("%s, %lu, %lu, %p.\n", mf_debugstr_fourcc(fourcc), width, height, size);
 
     memcpy(&subtype, &MFVideoFormat_Base, sizeof(subtype));
     subtype.Data1 = fourcc;

dlls/mfplat/mfplat_private.h

@@ -148,7 +148,7 @@ static inline const char *debugstr_propvar(const PROPVARIANT *v)
     }
 }
 
-static inline const char *debugstr_fourcc(DWORD format)
+static inline const char *mf_debugstr_fourcc(DWORD format)
 {
     static const struct format_name
     {