fixing cairo text drawing bug (patch from cairo trunk)

gfx/cairo/cairo/src/cairo-win32-font.c

@@ -894,19 +894,21 @@ _flush_glyphs (cairo_glyph_state_t *state)
     cairo_status_t status;
     int dx = 0;
     WCHAR * elements;
+    int * dx_elements;
 
     status = _cairo_array_append (&state->dx, &dx);
     if (status)
 	return status;
     
     elements = _cairo_array_index (&state->glyphs, 0);
+    dx_elements = _cairo_array_index (&state->dx, 0);
     if (!ExtTextOutW (state->hdc,
 		      state->start_x, state->last_y,
 		      ETO_GLYPH_INDEX,
 		      NULL,
 		      elements,
 		      state->glyphs.num_elements,
-		      (int *)state->dx.elements)) {
+		      dx_elements)) {
 	return _cairo_win32_print_gdi_error ("_flush_glyphs");
     }