ddraw: Declare some functions static

[Andrew Talbot]

Changelog:
    ddraw: Declare some functions static.

diff -urN a/dlls/ddraw/utils.c b/dlls/ddraw/utils.c
--- a/dlls/ddraw/utils.c	2006-10-11 11:53:44.000000000 +0100
+++ b/dlls/ddraw/utils.c	2007-01-03 18:53:45.000000000 +0000
@@ -624,7 +624,7 @@
 {
     DPRINTF("%p", *((const void * const*) in));
 }
-void
+static void
 DDRAW_dump_DDCOLORKEY(const DDCOLORKEY *ddck)
 {
     DPRINTF(" Low : %d  - High : %d", ddck->dwColorSpaceLowValue, ddck->dwColorSpaceHighValue);
@@ -719,7 +719,7 @@
         DPRINTF("\n");
 }
 
-void
+static void
 DDRAW_dump_pixelformat_flag(DWORD flagmask)
 {
     static const flag_info flags[] =