changed g_new()s to malloc()s and g_free()s to free()s to avoid mixing

changed g_new()s to malloc()s and g_free()s to free()s to avoid mixing

Mon Sep 14 21:47:35 CDT 1998 Shawn T. Amundson <amundson@gtk.org>

        * gdk/gdkimage.c: changed g_new()s to malloc()s and
          g_free()s to free()s to avoid mixing g_new()s with
          free()s.  X itself uses free() on some of the
          malloced memory.