use long instead of short for {Ver,Desc}File size in pkgcache.h

patch from Víctor Manuel Jáquez Leal, thanks! (Closes: #538917)

apt-pkg/pkgcache.h

@@ -245,7 +245,7 @@ struct pkgCache::VerFile						/*{{{*/
    map_ptrloc File;           // PackageFile
    map_ptrloc NextFile;       // PkgVerFile
    map_ptrloc Offset;         // File offset
-   unsigned short Size;
+   unsigned long Size;
 };
 									/*}}}*/
 struct pkgCache::DescFile						/*{{{*/
@@ -253,7 +253,7 @@ struct pkgCache::DescFile						/*{{{*/
    map_ptrloc File;           // PackageFile
    map_ptrloc NextFile;       // PkgVerFile
    map_ptrloc Offset;         // File offset
-   unsigned short Size;
+   unsigned long Size;
 };
 									/*}}}*/
 struct pkgCache::Version						/*{{{*/

debian/changelog

@@ -54,6 +54,9 @@ apt (0.7.25) UNRELEASED; urgency=low
       (Closes: #463354) which should speed up a bit. Thanks!
   * apt-pkg/contrib/mmap.{cc,h}:
     - extend it to have a growable flag - unused now but maybe...
+  * apt-pkg/pkgcache.h:
+    - use long instead of short for {Ver,Desc}File size,
+      patch from Víctor Manuel Jáquez Leal, thanks! (Closes: #538917)
 
   [ Chris Leick ]
   * doc/ various manpages: