Minor tweak to dlls/d3d8/device.c and dlls/d3d8/device.c

[Gerald Pfeifer]

Spotted while looking for something else.  Just two warnings (with
-Wextra, for example) but still.

Gerald

ChangeLog:
Fix type of loop variable.

Index: dlls/d3d8/device.c
===================================================================
RCS file: /home/wine/wine/dlls/d3d8/device.c,v
retrieving revision 1.241
diff -u -3 -p -r1.241 device.c
--- dlls/d3d8/device.c	3 Jan 2008 12:45:01 -0000	1.241
+++ dlls/d3d8/device.c	3 Jan 2008 21:28:51 -0000
@@ -97,7 +97,7 @@ static ULONG WINAPI IDirect3DDevice8Impl
     TRACE("(%p) : ReleaseRef to %d\n", This, ref);
 
     if (ref == 0) {
-        int i;
+        unsigned i;
 
         TRACE("Releasing wined3d device %p\n", This->WineD3DDevice);
         EnterCriticalSection(&d3d8_cs);
Index: dlls/d3d9/device.c
===================================================================
RCS file: /home/wine/wine/dlls/d3d9/device.c,v
retrieving revision 1.109
diff -u -3 -p -r1.109 device.c
--- dlls/d3d9/device.c	3 Jan 2008 12:45:02 -0000	1.109
+++ dlls/d3d9/device.c	3 Jan 2008 21:28:51 -0000
@@ -61,7 +61,7 @@ static ULONG WINAPI IDirect3DDevice9Impl
     TRACE("(%p) : ReleaseRef to %d\n", This, ref);
 
     if (ref == 0) {
-      int i;
+      unsigned i;
       This->inDestruction = TRUE;
 
       EnterCriticalSection(&d3d9_cs);