dpkg-buildpackage: Fix typo in usage

s/dpkg-genchangs/dpkg-genchanges/

ChangeLog

@@ -1,5 +1,8 @@
 2007-09-20  Frank Lichtenheld  <djpig@debian.org>
 
+	* scripts/dpkg-buildpackage.sh (usage): Fix typo
+	s/dpkg-genchangs/dpkg-genchanges/
+
 	* scripts/Dpkg.pm: Make the regex for determining
 	$progname more robust.
 

scripts/dpkg-buildpackage.sh

@@ -40,7 +40,7 @@ Options:
   -v<version>    changes since version <version>.      }
   -m<maint>      maintainer for package is <maint>.    }
   -e<maint>      maintainer for release is <maint>.    } only passed
-  -C<descfile>   changes are described in <descfile>.  } to dpkg-genchangs
+  -C<descfile>   changes are described in <descfile>.  } to dpkg-genchanges
   -si (default)  src includes orig for rev. 0 or 1.    }
   -sa            uploaded src always includes orig.    }
   -sd            uploaded src is diff and .dsc only.   }