* gnulib-tool: Change `sort | uniq' to `sort -u' where
	appropriate.

Index: gnulib-tool
===================================================================
RCS file: /cvsroot/gnulib/gnulib/gnulib-tool,v
retrieving revision 1.160
diff -u -r1.160 gnulib-tool
--- gnulib-tool	13 Sep 2006 15:00:47 -0000	1.160
+++ gnulib-tool	14 Sep 2006 22:52:08 -0000
@@ -625,7 +625,7 @@
       }'
     eval `sed -n -e "$my_sed_traces" < "$configure_ac"`
     if test -n "$prereqs"; then
-      autoconf_minversion=`for version in $prereqs; do echo $version; done | $SORT -g | uniq | tail -1`
+      autoconf_minversion=`for version in $prereqs; do echo $version; done | $SORT -g -u | tail -1`
     fi
   fi
   if test -z "$autoconf_minversion"; then
@@ -737,8 +737,7 @@
   } \
       | sed -e '/^CVS$/d' -e '/^ChangeLog$/d' -e '/^COPYING$/d' -e '/^README$/d' -e '/^TEMPLATE$/d' -e '/^TEMPLATE-TESTS$/d' -e '/~$/d' \
       | sed -e '/-tests$/d' \
-      | LC_ALL=C sort \
-      | LC_ALL=C uniq
+      | LC_ALL=C sort -u
 }
 
 # func_verify_module
@@ -1019,7 +1018,7 @@
       files="$files "`func_get_filelist $module`
     fi
   done
-  files=`for f in $files; do echo $f; done | LC_ALL=C sort | LC_ALL=C uniq`
+  files=`for f in $files; do echo $f; done | LC_ALL=C sort -u`
 }
 
 # func_emit_lib_Makefile_am
@@ -1423,7 +1422,7 @@
   fi
 
   # Canonicalize the list of specified modules.
-  specified_modules=`for m in $specified_modules; do echo $m; done | LC_ALL=C sort | LC_ALL=C uniq`
+  specified_modules=`for m in $specified_modules; do echo $m; done | LC_ALL=C sort -u`
 
   # Determine final module list.
   modules="$specified_modules"
@@ -2011,7 +2010,7 @@
 {
   testdir="$1"
   modules="$2"
-  modules=`for m in $modules; do echo $m; done | LC_ALL=C sort | LC_ALL=C uniq`
+  modules=`for m in $modules; do echo $m; done | LC_ALL=C sort -u`
 
   # Subdirectory names.
   sourcebase=gllib
@@ -2467,7 +2466,7 @@
           sedexpr1='s,^m4_include(\[\(.*\)])$,\1,p'
           sedexpr2='s,^[^/]*$,.,'
           sedexpr3='s,/[^/]*$,,'
-          m4dirs=`sed -n -e "$sedexpr1" aclocal.m4 | sed -e "$sedexpr2" -e "$sedexpr3" | LC_ALL=C sort | LC_ALL=C uniq`
+          m4dirs=`sed -n -e "$sedexpr1" aclocal.m4 | sed -e "$sedexpr2" -e "$sedexpr3" | LC_ALL=C sort -u`
           m4dirs_count=`echo "$m4dirs" | wc -l`
         fi
       fi