[cairo] Spelling error patch

[Mike Emmel]

Here is a small spelling mistake I noticed
Index: src/cairoint.h
===================================================================
RCS file: /cvs/cairo/cairo/src/cairoint.h,v
retrieving revision 1.94
diff -u -r1.94 cairoint.h
--- src/cairoint.h      1 Feb 2005 23:06:36 -0000       1.94
+++ src/cairoint.h      24 Feb 2005 14:26:18 -0000
@@ -1470,7 +1470,7 @@
 _cairo_surface_pixels_per_inch (cairo_surface_t *surface);
  
 cairo_private cairo_status_t
-_cairo_surface_acquire_source_image (cairo_surface_t         *urface,
+_cairo_surface_acquire_source_image (cairo_surface_t         *surface,
                                     cairo_image_surface_t  **image_out,
                                     void                   **image_extra);