po: Sort POTFILES

This makes it easier to see if files are missing.

scripts/po/POTFILES.in

@@ -21,32 +21,32 @@ scripts/Dpkg/Arch.pm
 scripts/Dpkg/BuildEnv.pm
 scripts/Dpkg/BuildFlags.pm
 scripts/Dpkg/BuildOptions.pm
-scripts/Dpkg/Compression.pm
-scripts/Dpkg/Compression/FileHandle.pm
-scripts/Dpkg/Compression/Process.pm
 scripts/Dpkg/Changelog.pm
 scripts/Dpkg/Changelog/Debian.pm
 scripts/Dpkg/Changelog/Entry.pm
 scripts/Dpkg/Changelog/Entry/Debian.pm
 scripts/Dpkg/Changelog/Parse.pm
 scripts/Dpkg/Checksums.pm
+scripts/Dpkg/Compression.pm
+scripts/Dpkg/Compression/FileHandle.pm
+scripts/Dpkg/Compression/Process.pm
 scripts/Dpkg/Conf.pm
 scripts/Dpkg/Control.pm
 scripts/Dpkg/Control/Changelog.pm
-scripts/Dpkg/Control/FieldsCore.pm
 scripts/Dpkg/Control/Fields.pm
-scripts/Dpkg/Control/Info.pm
-scripts/Dpkg/Control/HashCore.pm
+scripts/Dpkg/Control/FieldsCore.pm
 scripts/Dpkg/Control/Hash.pm
+scripts/Dpkg/Control/HashCore.pm
+scripts/Dpkg/Control/Info.pm
 scripts/Dpkg/Control/Types.pm
 scripts/Dpkg/Deps.pm
 scripts/Dpkg/Dist/Files.pm
 scripts/Dpkg/ErrorHandling.pm
 scripts/Dpkg/Exit.pm
 scripts/Dpkg/File.pm
+scripts/Dpkg/IPC.pm
 scripts/Dpkg/Index.pm
 scripts/Dpkg/Interface/Storable.pm
-scripts/Dpkg/IPC.pm
 scripts/Dpkg/Package.pm
 scripts/Dpkg/Path.pm
 scripts/Dpkg/Shlibs.pm
@@ -56,15 +56,15 @@ scripts/Dpkg/Shlibs/Symbol.pm
 scripts/Dpkg/Shlibs/SymbolFile.pm
 scripts/Dpkg/Source/Archive.pm
 scripts/Dpkg/Source/Functions.pm
-scripts/Dpkg/Source/Patch.pm
 scripts/Dpkg/Source/Package.pm
 scripts/Dpkg/Source/Package/V1.pm
 scripts/Dpkg/Source/Package/V2.pm
 scripts/Dpkg/Source/Package/V3/Bzr.pm
 scripts/Dpkg/Source/Package/V3/Custom.pm
-scripts/Dpkg/Source/Package/V3/Native.pm
 scripts/Dpkg/Source/Package/V3/Git.pm
+scripts/Dpkg/Source/Package/V3/Native.pm
 scripts/Dpkg/Source/Package/V3/Quilt.pm
+scripts/Dpkg/Source/Patch.pm
 scripts/Dpkg/Source/Quilt.pm
 scripts/Dpkg/Substvars.pm
 scripts/Dpkg/Util.pm